Against criticism a man can neither protest nor defend himself; he must act in spite of it, and then it will gradually yield to him. – Johann Wolfgang von Goethe, Maxims and Reflections

The gem cannot be polished without friction nor man without trials. – Confucius

Having is not so pleasing a thing as wanting, it may not be logical but it is often true. – Mr. Spock, Star Trek

If you know someone who tries to drown their sorrows, you might tell them sorrows know how to swim. – Quoted in P.S. I Love You, compiled by H. Jackson Brown, Jr.