Who said "The way to success is to do only what you do best."?

This quote is attributed to Richard Feynman.

The way to success is to do only what you do best. - Richard Feynman

"The way to success is to do only what you do best."

Richard Feynman Success

Theoretical Physicist American 1918–1988

"The first principle is that you must not fool yourself, and you are the easiest person to fool."

"What I cannot create, I do not understand."

"The pleasure of finding things out is the most important thing."

"You don't have to know everything to do something."

"Success comes to those who never give up."

"Success is measured by happiness, not money."

"You make your own luck in this world."

"You have to be organized to be successful in anything."