A physician's physiology has much the same relation to his power of healing as a cleric's divinity has to his power of influencing conduct.
Logic is like the sword - those who appeal to it, shall perish by it.
Prayers are to men as dolls are to children.
Human life is as evanescent as the morning dew or a flash of lightning.
Any fool can paint a picture, but it takes a wise man to be able to sell it.
Man is the only animal that can remain on friendly terms with the victims he intends to eat until he eats them.