I know that I am intelligent, because I know that I know nothing.

If you want a love message to be heard, it has got to be sent out. To keep a lamp burning, we have to keep putting oil in it.

Man is the only creature that refuses to be what he is.

He has all of the virtues I dislike and none of the vices I admire.

One man's ways may be as good as another's, but we all like our own best.