Who said "The fear of death is the beginning of slavery."?

This quote is attributed to Xenophon.

The fear of death is the beginning of slavery. - Xenophon

"The fear of death is the beginning of slavery."

Xenophon Freedom

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."

"Freedom to pursue your passion is precious."

"Freedom comes at a cost."

"Order isn't restriction. It's freedom."

"Freedom comes with responsibility"