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

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

Friendship is something that creates equality and mutuality, not a reward for finding equality or a way of intensifying existing mutuality.

A friendship founded on business is better than a business founded on friendship.

The greatest gift of life is friendship, and I have received it.

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

When the world is so complicated, the simple gift of friendship is within all of our hands.

One of the most beautiful qualities of true friendship is to understand and to be understood.

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

A true friend is the greatest of all blessings, and that which we take the least care of all to acquire.