Who said "Betrayal is the deepest wound."?

This quote is attributed to Skanderbeg.

Betrayal is the deepest wound. - Skanderbeg

"Betrayal is the deepest wound."

Skanderbeg

Military Commander Albanian 1405–1468

"I am the son of my efforts."

"A man without courage is not a man."

"Freedom is the greatest treasure."

"I fight not for gold, but for my people."