Friendship that insists upon agreement on all matters is not worth the name. Friendship to be real must ever sustain the weight of honest differences, however sharp they be.

I have friends in overalls whose friendship I would not swap for the favor of the kings of the world.

Be slow to fall into friendship, but when you are in, continue firm and constant.

There is no possession more valuable than a good and faithful friend.

The beauty of enmity is insecurity; the beauty of friendship is in security.

Depth of friendship does not depend on length of acquaintance.