Still, instead of trusting what their own minds tell them, men have as a rule a weakness for trusting others who pretend to supernatural sources of knowledge.

It is not what things are objectively and in themselves, but what they are for us, in our way of looking at them, that makes us happy or the reverse.

To free a man from error is to give, not to take away. Knowledge that a thing is false is a truth. Error always does harm; sooner or later it will bring mischief to the man who harbors it.

Religion is the metaphysics of the masses.

After your death you will be what you were before your birth.

To forgive and forget means to throw away dearly bought experience.

Authors may be divided into falling stars, planets, and fixed stars: the first have a momentary effect; the second have a much longer duration; but the third are unchangeable, possess their own light, and work for all time.