Our whole life is but a greater and longer childhood.

Pride that dines on vanity, sups on contempt.

Whenever we attempt to mend the scheme of Providence and to interfere in the Government of the world, we had need be very circumspect lest we do more harm than good.

When you speak to a man, look on his eyes; when he speaks to you, look on his mouth.

You have on hand those things that you need if you have but the wit and wisdom to use them.

I have never seen the Philosopher's Stone that turns lead into Gold, but I have known the pursuit of it turn a Man's Gold into Lead.

He's the best physician that knows the worthlessness of most medicines.