Mark Twain? Andrew Carnegie? Anonymous? Dear Quote Investigator: Proverbial wisdom tells us never to put all our eggs in one basket, but an inversion of that advice has been ascribed to the renowned humorist Mark Twain and the business titan Andrew Carnegie. Who should receive credit? Quote Investigator: On June 23, 1885 Andrew Carnegie addressed … Continue reading Put All Your Eggs in One Basket, and Then Watch That Basket