Who said "A man of honor is a man of his word."?

This quote is attributed to Xenophon.

A man of honor is a man of his word. - Xenophon

"A man of honor is a man of his word."

Xenophon Kindness

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."

"A good man treats his wife with respect."

"Kindness always comes back around."

"The power of a smile can change everything."

"Kindness is weakness to some. Not to me."