Oliver Wendell Holmes Sr.? Oliver Wendell Holmes Jr.? Albert Einstein? Ralph Waldo Emerson? Question for Quote Investigator: Encountering a novel idea or sensation causes changes that permanently alter one’s intellect. This notion can be expressed as follows: A mind that is stretched by a new idea or experience can never shrink back to its old … Continue reading Quote Origin: Every Now and Then a Man’s Mind Is Stretched by a New Idea or Sensation, and Never Shrinks Back To Its Former Dimensions