Who said "Courage is not the absence of fear."?

This quote is attributed to Anaxagoras.

Courage is not the absence of fear. - Anaxagoras

"Courage is not the absence of fear."

Anaxagoras Courage

Philosopher Ancient Greece 500–428

"Appearances are a glimpse of the unseen."

"Mind is the finest thing that exists."

"Everything has a natural explanation."

"The greatest things are the smallest."

"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."