One should always play fairly when one has the winning cards. The well-bred contradict other people. The wise contradict themselves. Only the shallow know themselves. An idea that is not dangerous is unworthy of being called an idea at all.
Nothing is so aggravating than calmness.
The only thing one can do with good advice is to pass it on. It is never of any use to oneself. In all pointed sentences some degree of accuracy must be sacrificed to conciseness. It is better to be beautiful than to be good. But it is better to be good than to be ugly.