'Til the infallibility of human judgements shall have been proved to me, I shall demand the abolition of the penalty of death.

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.

You say that my way of thinking cannot be tolerated? What of it? The man who alters his way of thinking to suit othere is a fool. My way of thinking is the result of my reflections. It is part of my inner being,the way I am made. I do not contradict them, and would not even if I wished to. For my system, which you disapprove of is also my greatest comfort in life, the source of all my happiness -it means more to me than my life itself.

All, all is theft, all is unceasing and rigorous competition in nature; the desire to make off with the substance of others is the foremost - the most legitimate - passion nature has bred into us and, without doubt, the most agreeable one.

It is not my mode of thought that has caused my misfortunes, but the mode of thought of others.

If it is the dirty element that gives pleasure to the act of lust, then the dirtier it is, the more pleasurable it is bound to be.

Sex without pain is like food without taste