The man who ain't got an enemy is really poor.
Learning sleeps and snores in libraries, but wisdom is everywhere, wide awake, on tiptoe.
People travel to learn; most of them before they start should learn to travel.
Show me a thoroughly contented person, and I will show you a useless one.
Silence is one of the hardest kind of arguments to refute. There is no good substitute for wisdom; but silence is the best that has yet been discovered.
Laughter is the sensation of feeling good all over and showing it principally in one place.