Who said "The mind is everything; what you think, you become."?

This quote is attributed to Xenophon.

The mind is everything; what you think, you become. - Xenophon

"The mind is everything; what you think, you become."

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."