Who said "The goddess of truth guards the gate to all knowledge."?

This quote is attributed to Parmenides.

The goddess of truth guards the gate to all knowledge. - Parmenides

"The goddess of truth guards the gate to all knowledge."

Parmenides Wisdom

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."

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