The man who alters his way of thinking to suit others is a fool.

Your service will be arduous, it will be painful and rigorous, and the slightest delinquencies will be requited immediately with corporal and afflicting punishments; hence, I must recommend to you prompt exactness, submissiveness, and total self-abnegation that you be enabled to heed naught but our desires; let them be your laws, fly to do their bidding, anticipate them, cause them to be born.

Anything beyond the limits and grasp of the human mind is either illusion or futility; and because your god having to be one or the other of the two, in the first instance I should be mad to believe in him, and in the second a fool.

Consider the problem from the point of view of evil, evil being almost always pleasure's true and major charm; considered thus, the crime must appear greater when perpetrated upon a being of your identical sort than when inflicted upon one which is not, and this once established, the delight automatically doubles.

Certain souls seem hard because they are capable of strong feelings, and they sometimes go to rather extreme lengths; their apparent unconcern and cruelty are but ways, known only to themselves, of feeling more strongly than others.

It is certain that stealing nourishes courage, strength, skill, tact, in a word, all the virtues useful to a republican system and consequently to our own. Lay partiality aside, and answer me: is theft, whose effect is to distribute wealth more evenly, to be branded as a wrong in our day, under our government which aims at equality? Plainly, the answer is no.

Get it into your head once and for all, my simple and very fainthearted fellow, that what fools call humanness is nothing but a weakness born of fear and egoism; that this chimerical virtue, enslaving only weak men, is unknown to those whose character is formed by stoicism, courage, and philosophy.