This quote is written / told by Murray Gell-Mann somewhere between September 15, 1929 and today. He/she was a famous Physicist from USA.
The author also have 24 other quotes.
"Neurotics complain of their illness, but they make the most of it, and when it comes to talking it away from them they will defend it like a lioness her young"
"Anyone who stops learning is old, whether at twenty or eighty. Anyone who keeps learning stays young. The greatest thing in life is to keep your mind young"