Who said "A promise broken is a trust shattered."?

This quote is attributed to Xenophon.

A promise broken is a trust shattered. - Xenophon

"A promise broken is a trust shattered."

Xenophon

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."