Be courteous to all, but intimate with few; and let those few be well tried before you give them your confidence.
It is better to have loved and lost than never to have lost at all.
Work saves us from three great evils: boredom, vice and need.
Happiness is not a station you arrive at, but a manner of traveling.
One's destination is never a place but rather a new way of looking at things.
The toughest question has always been, "How do you get your ideas?" How do you answer that? It's like asking runners how they run, or singers how they sing. They just do it!
Nothing changes your opinion of a friend so surely as success - yours or his.