Quote Origin: The Eighth Wonder of the World Is Compound Interest

Albert Einstein? Napoleon Bonaparte? Baron Rothschild? Paul Samuelson? John D. Rockefeller? Advertising Copy Writer? Apocryphal?

Question for Quote Investigator: Salespeople and advertisers invoke the name of the scientific genius Albert Einstein when they wish to impress gullible individuals. The following grandiose statement has been attributed to Einstein:

Compound interest is the eighth wonder of the world.

Sometimes the remark is credited to financial luminaries such as Baron Rothschild or John D. Rockefeller. Would you please explore this topic?

Reply from Quote Investigator: The saying appeared in a section titled “Probably Not By Einstein” in the authoritative volume “The Ultimate Quotable Einstein” from Princeton University Press.1

The earliest close match located by QI appeared in an advertisement for The Equity Savings & Loan Company published in the “Cleveland Plain Dealer” of Ohio in 1925. No attribution was specified. Boldface added to excerpts by QI:2

The Eighth Wonder of the World—is compound interest. It does things to money. At the Equity it doubles your money every 14 years, but here is an even greater wonder of it—

Deposit five dollars a week for twenty years, say, and let the interest accumulate. You will have actually put away only $5,200, but you will have $8,876.80. The difference of $3,676.80 is what 5% compound interest has done for you.

QI hypothesizes that the statement was crafted by an unknown advertising copy writer. Over the years it has been reassigned to famous people to make the comment sound more impressive and to encourage individuals to open bank accounts or purchase interest-bearing securities.

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Quote Origin: Beware of Fishing for Compliments—You Might Come Up with a Boot

Carol Weston? Anonymous?

Question for Quote Investigator: Displaying false modesty is sometimes intended to elicit praise. This type of behavior is called “fishing for compliments”. Yet, according to a well-known comical scenario an unlucky individual may reel in a fishing line and discover a useless boot attached to the hook. Would you please explore the provenance of the joke based on this sketch?

Reply from Quote Investigator: The author Carol Weston has been providing advice to young women as a columnist in “Girls’ Life” magazine since the 1990s. Even before that in 1985 she wrote “Girltalk: All the Stuff Your Sister Never Told You” which included the following guidance. Boldface added to excepts by QI:1

The best way to accept a compliment is to smile and say. “Thank you.” If you like, you can add, “That’s nice of you to say.”

Beware of fishing for compliments—you might come up with a boot!

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Quote Origin: Light Travels Faster Than Sound. That’s Why Some Folks Appear Bright Until They Speak

Albert Einstein? Steven Wright? Earl Wilson? Robert Orben? Gary Apple? Bo McLeod? Brian Williams? Apocryphal?

Question for Quote Investigator: The speed of light is a crucial value in the theory of relativity. Perhaps that is why the following joke has been credited to Albert Einstein:

Light travels faster than sound. That’s why some people appear bright until you hear them speak.

I am very skeptical that Einstein ever made this remark. Would you please explore this topic?

Reply from Quote Investigator: There is no substantive evidence that Einstein made this quip. The most comprehensive reference about the physicist’s pronouncements is the 2010 book “The Ultimate Quotable Einstein” from Princeton University Press, and the expression is absent.

A precursor appeared in Earl Wilson’s popular gossip column in 1959. The attribution was anonymous. Boldface added to excerpts by QI:1

EARL’S PEARLS: Someone described a second-rate singer: “Luckily light travels faster than sound — because she looks better than she sounds.”

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Quote Origin: O My Dear Honeys, Heaven Is a Kentucky of a Place

Daniel Boone? Baptist Preacher? Methodist Preacher? Edward Stanly? Lewis Craig? Anonymous?

Question for Quote Investigator: The U.S. state of Kentucky is well-known for its beautiful scenery. According to legend when the frontiersman Daniel Boone first encountered the land he compared it to paradise. Here are three versions of the saying:

  • Heaven must be a Kentucky kind of place.
  • Heaven is a real Kentuck sort of a place.
  • Heaven is a perfect Kaintuck of a place.

Would you please explore the provenance of this expression?

Reply from Quote Investigator: The earliest evidence located by QI appeared in an 1828 book by a travelling preacher named Isaac Reed who visited Paint Lick, Kentucky and wrote down his thoughts in a letter dated February 10, 1818. A resident told Reed about a memorable remark delivered during a sermon by a previous religious speaker. Boldface added to excerpts by QI:1

The preacher was descanting upon heaven, and the heavenly state. He wished his hearers to get a just idea of that place, and he attempted to give it by comparison: it was in the meeting-house, not half a mile from where I now write, where the preacher said to his hearers, “O my dear honeys, heaven is a Kentucky of a place.” I tell the tale as it was told to me, and leave it without comment.

QI has found no substantive evidence that Daniel Boone crafted this saying. The words were attributed to him in 1967 many decades after his death in 1820.

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Quote Origin: The Difference Between the Almost Right Word and the Right Word Is Really a Large Matter—’Tis the Difference Between the Lightning Bug and the Lightning

Mark Twain? Josh Billings? Henry Wheeler Shaw? Anonymous?

Question for Quote Investigator: Writing well requires the selection of properly expressive words. There is an enormous difference between selecting ‘lightning bug’ versus ‘lightning’. Apparently, Mark Twain said something similar to this, but I was surprised to discover that Twain credited his friend Josh Billings with crafting the wordplay of this remark. Would you please explore this topic?

Reply from Quote Investigator: In the 1880s George Bainton contacted numerous successful authors requesting advice for beginning writers about effective work methods. Mark Twain sent a reply in 1888 that appeared in the resultant compilation titled “The Art of Authorship” in 1890.

Twain used the pronoun “he” while referring to himself as a neophyte author within his description of the writing process. Twain stated that he preferred short sentences:1

Unconsciously he accustoms himself to writing short sentences as a rule. At times he may indulge himself with a long one, but he will make sure that there are no folds in it, no vaguenesses, no parenthetical interruptions of its view as a whole.

Twain presented a vividly comical contrast while discussing word selection. Boldface added to excerpts by QI:2

Well, also he will notice in the course of time, as his reading goes on, that the difference between the almost right word and the right word is really a large matter—’tis the difference between the lightning-bug and the lightning.

Yet, Twain willingly acknowledged that a comparable joke had been made by his friend and fellow humorist Josh Billings (pen name of Henry Wheeler Shaw) a couple decades earlier.

In 1869 several U.S. newspapers published a collection of sayings from Billings which included the following four items. Billings employed nonstandard spelling:3

The greater the man, the less his virteus appear, and the larger hiz faults.

The man who hain’t got an enemy, iz really poor.

Don’t mistake vivacity for wit, thare iz just az mutch difference az thare iz between lightning and a lightning bug.

No man ever yet undertook tew alter his natur by substituting sum invenshun ov his own, but what made a botch job ov it.

Here is Billings’ wordplay quip in standard spelling:

Don’t mistake vivacity for wit, there is just as much difference as there is between lightning and a lightning bug.

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Quote Origin: When the Chess Game Is Over, the King and the Pawn Go Back in the Same Box

Italian Proverb? John Boys? Thomas Adams? John Spencer? Thomas-Simon Gueullette? Omar Khayyam? Anonymous?

Question for Quote Investigator: Some people live lives of opulence and celebrity while others remain mired in poverty and anonymity. On a chessboard there is a king and a queen, but there are also eight lowly pawns. A metaphorical adage highlights the uniform fate of all chess pieces and humans:

At the end of the game the king and the pawn go into the same box.

Chess pieces undergo a form of reincarnation when a new match begins. Humans may experience reincarnation, oblivion, judgment day, hades, paradise or some other continuation. Would you please help me to find a citation for the adage above?

Reply from Quote Investigator: The earliest published match located by QI occurred in a 1629 collection of writings by John Boys who was the Dean of Canterbury in England. The non-standard spelling in the following passage is from the original text. Boldface added to excepts by QI:1

As in Chesse-play, so long as the game is in playing, all the men stand in their order, and are respected according to their place; first, the King; then, the Queene; then, the Bishops; after them, the Knights; and last of all, the common Souldier: but when once the game is ended, and the table taken away, then all are confusedly tumbled into a bag, and happily the King is lowest, and the pawne vpmost. Euen so is it with vs in this life; the world is a huge theater or stage, wherein some play the parts of Kings; other, of Bishops; some, Lords; many, Knights; other, Yeomen: but when our Lord shall come with his Angels to iudge the world; all are alike.

Further below an interesting precursor verse from Rubaiyat of Omar Khayyam is presented. The translation into English appeared in the 19th century, but the source material may have been circulating in the 11th century. The complete provenance of the verse is uncertain.

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Quote Origin: What’s Outside the Simulation?

Elon Musk? Lex Fridman? Apocryphal?

Question for Quote Investigator: A longstanding philosophical hypothesis suggests that our experiences are simply an illusion or a dream. A modern technological version of this hypothesis suggests that our experiences are part of a computer simulation. Anyone who has worn a virtual reality headset has felt the sensation of being immersed in a computer simulation.

Technologist are aware of the exponential advances in the speed and capaciousness of computing systems. The number and quality of simulations that can be performed with these systems has been growing rapidly.

Prominent entrepreneur Elon Musk launched the innovative companies Tesla, SpaceX, and Neuralink. Musk believes that the simulation hypothesis should be taken seriously. Apparently, Musk once provocatively asked “What’s outside the simulation?” Would you please help me to find a citation?

Reply from Quote Investigator: In April 2019 an interview of Elon Musk conducted by Lex Fridman was uploaded to the YouTube website. Fridman is a teacher and research scientist in artificial intelligence (AI) who works at the Massachusetts Institute of Technology (MIT). The pair discussed a variety of topics including the possibility of artificial general intelligence (AGI). An AGI system would be capable of exploring and mastering all the intellectual tasks that a human can explore and master. The pair also discussed the simulation hypothesis. The following exchange occurred near the end of the interview:1

Lex Fridman: So when, maybe you, or somebody else creates an AGI system, and you get to ask her one question, what would that question be?

(Long pause)

Elon Musk: What’s outside the simulation?

In conclusion, Elon Musk did indicate that he (or humanity) might be inside a simulation. He believes that a future advanced AI system might be assigned the topic of determining what is outside the simulation.

Image Notes: Picture of a person riding a bicycle while wearing a virtual reality or augmented reality headset. Picture from the Pexels account at Pixabay.

Update History: On March 2, 2025 the format of the bibliographical notes was updated.

  1. YouTube video, Title: Elon Musk: Tesla Autopilot | Artificial Intelligence (AI) Podcast, Uploaded on Apr 12, 2019, Uploaded by Lex Fridman, (Quotation starts at 31 minute 57 seconds of 32 minutes 44 seconds), Description: Interview of Elon Musk who is the leader of Tesla, SpaceX, and Neuralink. Interview conducted by Lex Fridman of M.I.T. (Accessed on youtube.com on August 28, 2019) link ↩︎

Quote Origin: All Parents Are Environmentalists Until They Have Their Second Child

Marvin Zuckerman? Kelvin L. Seifert? David T. Lykken? Anonymous?

Question for Quote Investigator: A child’s development is influenced by both nature and nurture, but there are deep disagreements about the relative importance of these two influences. In addition, there are different viewpoints concerning the interactions of nature and nurture. Consider the following saying:

The parents of one child believe in “nurture”, and the parents of two or more children believe in “nature”.

When parents have one child it is easy for them to postulate that their actions are precisely guiding the development of their child. However, this belief is challenged when a second child is born, and the same actions yield sharply divergent results. Would you please help me to trace this saying?

Reply from Quote Investigator: The earliest match located by QI appeared in a scientific journal in 1987. To understand this match one must be aware of the different meanings of the word “environmentalist”. The word typically describes a person who wishes to protect the ecology of biomes. But in this article it refers to a person who believes that human development is predominantly shaped by environmental factors such as parenting style, surroundings, and experiences. The effects of heredity are minimized.

University of Delaware psychologist Marvin Zuckerman published a piece in the journal “Behavioral and Brain Sciences” with a title matching the remark under exploration. Boldface added to excerpts by QI:1

All parents are environmentalists until they have their second child

Zuckerman’s article began with the following sentences:

What is it that happens to parents after they have their second child that shakes their belief in the tabula rasa? With an n of one, parents can assume that all of their child’s positive traits are due to their enlightened methods of child rearing (negative traits being assigned to a genetic influence from other relatives). Then they use the same methods with the second child, who turns out to be so different from the first that they have to question their premises.

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Quote Origin: What Can Be More Palpably Absurd Than the Prospect Held Out of Locomotives Traveling Twice as Fast as Stagecoaches?

The Quarterly Review? Samuel Shaen? Wyndham Harding? Samuel Smiles? Apocryphal?

Question for Quote Investigator: While reading a humorous book containing a collection of terribly inaccurate predictions I encountered the following:

What can be more palpably absurd than the prospect held out of locomotives traveling twice as fast as stagecoaches?

The book asserted that this claim was made in 1825, but I have not been able to find a citation. Would you please help?

Reply from Quote Investigator: This statement was derived from a long passage in an 1825 article about “Canals and Rail-Roads” in “The Quarterly Review” of London. The unnamed author of the article was very skeptical about the claims being made for passenger travel via locomotives. Boldface added to excerpts by QI:1

The gross exaggerations of the powers of the locomotive steam-engine, or, to speak in plain English, the steam-carriage, may delude for a time, but must end in the mortification of those concerned. What, for instance, can be more palpably absurd and ridiculous, than the following paragraph in one of the published proposals of what we should call a hopeless project?

The above passage introduced an excerpt from a report that proposed the construction of a railway between London and Woolwich. The report included a remark about the speed of locomotives on the proposed route:

The number of short coaches running upon this line is 150 per diem. Admitting on the average that these coaches are only half filled, their receipts for passengers alone will be 26,000 a year. As locomotive machines, moving with twice the velocity, and with greater safety, must in a very great degree supersede the coaches, the company will probably obtain from passengers alone, independently of the baggage, an income of £20,000 . . .

The statement under analysis was created via the compression of the text above. Specifically, the two sections shown in boldface were condensed and highlighted. The construction occurred through a multistep process suggested by the citations given further below.

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Quote Origin: Create the Highest, Grandest Vision Possible for Your Life Because You Become What You Believe

Oprah Winfrey? Apocryphal?

Question for Quote Investigator: Famous talk show host and entrepreneur Oprah Winfrey has suggested that you should have grand visions because you become what you believe. Would you please help me to find a citation?

Reply from Quote Investigator: Oprah Winfrey delivered the commencement address at Wellesley College in Massachusetts on May 30, 1997. Boldface added to excerpts by QI:1

Create the highest, grandest vision possible for your life because you become what you believe. When I was little girl, Mississippi, growing up on the farm, only Buckwheat as a role model, watching my grandmother boil clothes in a big, iron pot through the screen door, because we didn’t have a washing machine and made everything we had. I watched her and realized somehow inside myself, in the spirit of myself, that although this was segregated Mississippi and I was “colored” and female, that my life could be bigger, greater than what I saw.

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