Who said "To serve God is to serve humanity with the same devotion."?

This quote is attributed to Selim I.

To serve God is to serve humanity with the same devotion. - Selim I

"To serve God is to serve humanity with the same devotion."

Selim I Faith

Military Sultan Ottoman 1470–1520

"The conquest of Constantinople is the conquest of the world."

"A ruler must be swift in decision and firm in execution."

"The sword is the language of kings."

"To rule is to serve those beneath you."

"Faith guides me through difficult times."

"Faith is believing when you can't see."

"You have to believe in something, or you'll fall for anything."

"Faith in God and in each other is what sustains us"