Who said "You're dead if you're focused on your audience."?

This quote is attributed to Richard Feynman.

You're dead if you're focused on your audience. - Richard Feynman

"You're dead if you're focused on your audience."

Richard Feynman Creativity

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."

"When life gives you lemons, make something beautiful."

"Creativity knows no bounds."

"Creativity is the expression of the soul."

"I'm making this up as I go."