Who said "To know reality is to know the immutable and the eternal."?

This quote is attributed to Parmenides.

To know reality is to know the immutable and the eternal. - Parmenides

"To know reality is to know the immutable and the eternal."

Parmenides Knowledge

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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"We're not just after treasure. We're preserving history."

"The mind is humanity's greatest tool."

"A tidy room reflects a tidy mind."

"You can learn a lot about a person by how they keep their space."