True friendship is the hardest thing to break...
Books make the best ersatz friendships.
Friendship requires truth, and there is no truth in her.
The only way not to break a friendship is not to drop it.
All lasting business is built on friendship.
Loyalty is what we seek in friendship.
Friendship is the pleasing game of interchanging praise.
A hedge between keeps friendships green.
Friendship is honey but don't eat it all.
Great friendship is never without anxiety.