Politeness is to human nature what warmth is to wax.
For the world is Hell, and men are on the one hand the tormented souls and on the other the devils in it.
Physics is unable to stand on its own feet, but needs a metaphysics on which to support itself, whatever fine airs it may assume towards the latter.
To free a person from error is to give, and not to take away.
No one can transcend their own individuality.
Wealth is like sea-water; the more we drink, the thirstier we become; and the same is true of fame.