What can be thought must be; what cannot be thought cannot b... - Parmenides

This quote is attributed to Parmenides.

"What can be thought must be; what cannot be thought cannot be."

Parmenides Knowledge

Philosopher Ancient Greece 515–445

More from Parmenides

"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?"

"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."