Who said "The only true wisdom is knowing you know nothing."?

This quote is attributed to Xenophon.

The only true wisdom is knowing you know nothing. - Xenophon

"The only true wisdom is knowing you know nothing."

Xenophon Philosophy

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."

"I've seen the worst humanity has to offer."

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

"Every choice shapes our destiny."

"Order is the foundation of a good life."