When a friend is in trouble, don't annoy him by asking if there is anything you can do. Think up something appropriate and do it.
A woman who can't forgive should never have more than a nodding acquaintance with a man.
When you can't do anything else to a boy, you can make him wash his face.
If you don't learn to laugh at troubles, you won't have anything to laugh at when you grow old.
I believe in grumbling; it is the politest form of fighting known.
A theory is no more like a fact than a photograph is like a person.