Who said "Nonbeing cannot be thought."?

This quote is attributed to Parmenides.

Nonbeing cannot be thought. - Parmenides

"Nonbeing cannot be thought."

Parmenides Philosophy

Philosopher Ancient Greece 515–445

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

"Being is; not-being is not."

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"Sometimes I wonder if the world is worth saving."

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