Who said "The test of courage is not the absence of fear."?

This quote is attributed to Denis Diderot.

The test of courage is not the absence of fear. - Denis Diderot

"The test of courage is not the absence of fear."

Denis Diderot Courage

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."

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."