There is no such thing as perpetual tranquility of mind while we live here.

A man's conscience and his judgment is the same thing; and as the judgment, so also the conscience, may be erroneous.

For it is not the shape, but their use, that makes them angels.

For after the subject is removed or the eye shut, we still retain an image of the things seen, though more obscure than when we see it...Imagination, therefore, is nothing more than decaying sense.

When a man tells me God hath spoken in a dream, I know he dreamt that God spoke to him.

The errors of definitions multiply themselves according as the reckoning proceeds; and lead men into absurdities, which at last they see but cannot avoid, without reckoning anew from the beginning.

Life in the state of nature is solitary, poor, nasty, brutish, and short.