Who said "Those who mock learning are the poorest of all men."?

This quote is attributed to Xenophon.

Those who mock learning are the poorest of all men. - Xenophon

"Those who mock learning are the poorest of all men."

Xenophon Knowledge

Historian Soldier Ancient Greece 430–354

"The sweetest of all sounds is praise."

"He who wishes to be obeyed must know how to command."

"It is impossible for a man to be cheated by anyone but himself."

"Know thyself."

"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."