Behind every smile there's teeth.

You cannot open a book without learning something.

A great man is hard on himself; a small man is hard on others.

There is nothing impossible in all the world except that the heart of man is wanting in resolution.

Look not at what is contrary to propriety; listen not to what is contrary to propriety; speak not what is contrary to propriety; make no movement which is contrary to propriety.

Knowing something is not as good as liking it. Liking something is not as good as rejoicing in it.

When you meet someone better than yourself, turn your thoughts to becoming his equal. When you meet someone not as good as you are, look within and examine your own self.