rude

Whoever one is, and wherever one is, one is always in the wrong if one is rude. ~Maurice Baring

Life be not so short but that there is always time for courtesy. ~Ralph Waldo Emerson

Rudeness is the weak man's imitation of strength. ~Eric Hoffer

Good manners can replace morals. It may be years before anyone knows if what you are doing is right. But if what you are doing is nice, it will be immediately evident. ~P.J. O'Rourke

There can be no defence like elaborate courtesy. ~E.V. Lucas