Who said "The duty of a king is to his people, not to himself."?

This quote is attributed to T'Challa (Civil War).

The duty of a king is to his people, not to himself. - T'Challa (Civil War)

"The duty of a king is to his people, not to himself."

T'Challa (Civil War) Leadership

"The wise build bridges, while the foolish burn them."

"Vengeance has a way of consuming the avenger."

"A king protects his people above all else."

"The past does not define our future unless we allow it to."

"A leader must be fair and just."

"Integrity is everything."

"One must take responsibility for one's environment."

"In this house, I make the decisions"