Be courteous to all, but intimate with few, and let those few be well tried before you give them your confidence.

Laughter is not at all a bad beginning for a friendship, and it is far the best ending for one.

Wishing to be friends is quick work, but friendship is a slow ripening fruit.

Never contract friendship with a man that is not better than thyself.

True friendship ought never to conceal what it thinks.

An excellent man he has no enemies and none of his friends like him.

Since there is nothing so well worth having as friends, never lose a chance to make them.

No person is your friend who demands your silence, or denies your right to grow.

The language of friendship is not words but meanings.

Success always necessitates a degree of ruthlessness. Given the choice of friendship or success, I'd probably choose success.