Men are the devils of the earth, and the animals are its tormented souls.

Compassion is the basis of morality.

True brevity of expression consists in a man only saying what is worth saying, while avoiding all diffuse explanations of things which every one can think out for himself.

Boredom is just the reverse side of fascination: both depend on being outside rather than inside a situation, and one leads to the other.

Just remember, once you're over the hill you begin to pick up speed.

Man may have the most excellent judgment in all other matters, and yet go wrong in those which concern himself; because here the will comes in and deranges the intellect at once. Therefore let a man take counsel of a friend. A doctor can cure everyone but himself; if he falls ill, he sends for a colleague.

The majority of men... are not capable of thinking, but only of believing, and... are not accessible to reason, but only to authority.