Who said "What we fear most often controls us."?

This quote is attributed to Denis Diderot.

What we fear most often controls us. - Denis Diderot

"What we fear most often controls us."

Denis Diderot Fear

Philosopher Writer French 1713–1784

"The world is for those who think."

"Man will never be free until the last king is strangled with the entrails of the last priest."

"Nothing can be believed unless it is seen."

"I am convinced the mind can be developed to the point where success is inevitable."

"Face your fears with courage."

"You can't live your life in fear."

"Snakes. Why'd it have to be snakes?"

"Fear is just another obstacle to overcome."