Man's destructive hand spares nothing that lives; he kills to feed himself, he kills to clothe himself, he kills to adorn himself, he kills to attack, he kills to defend himself, he kills to instruct himself, he kills to amuse himself, he kills for the sake of killing.

Prejudice does not mean false ideas, but only ... opinions adopted before examination.

All grandeur, all power, and all subordination to authority rests on the executioner: he is the horror and the bond of human association. Remove this incomprehensible agent from the world and at that very moment order gives way to chaos, thrones topple and society disappears.

There is no easy method of learning difficult things. The method is to close the door, give out that you are not at home, and work.

I don't know what a scoundrel is like, but I know what a respectable man is like, and it's enough to make one's flesh creep.

All pain is a punishment, and every punishment is inflicted for love as much as for justice.

A child is an angel dependent on man