Who said "I am bound by duty to my nation."?

This quote is attributed to Skanderbeg.

I am bound by duty to my nation. - Skanderbeg

"I am bound by duty to my nation."

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."