Who said "Only the brave can follow reason to its conclusion."?

This quote is attributed to Parmenides.

Only the brave can follow reason to its conclusion. - Parmenides

"Only the brave can follow reason to its conclusion."

Parmenides Courage

Philosopher Ancient Greece 515–445

"What is, is. What is not, is not."

"Being is; not-being is not."

"One should both say and think that Being is."

"How could what is perish? How could it come to be?"

"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."