Never explain - your friends do not need it and your enemies will not believe you anyway.

There are no rules for friendship. It must be left to itself. We cannot force it any more than love.

Think where man's glory most begins and ends, and say my glory was I had such friends.

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

True friendship ought never to conceal what it thinks.

It is only the great hearted who can be true friends. The mean and cowardly, Can never know what true friendship means.

Friends... they cherish one another's dreams. They are kind to one another's dreams

As iron sharpens iron, so a friend sharpens a friend.

The language of friendship is not words but meanings

Friendship at first sight, like love at first sight, is said to be the only truth.