A gentleman is one who never hurts anyone's feelings unintentionally.

JACK

Your duty as a gentleman calls you back.

ALGERNON

My duty as a gentleman has never interfered with my pleasures in the smallest degree.

He was one of the most well-spoken gentlemen.

Ladies and gentlemen, we got him.

Sometimes they're old ladies, old gentlemen, and sometimes they're there [just] to watch the game.

Ladies and gentlemen, tonight, the European Union has opened its door to Turkey,