Wherever he goes, whatever he does, he will always see that word: murder—immortally inscribed upon the pediment of that vast slaughterhouse—humanity.

Murder is born of love, and love attains the greatest intensity in murder.

Come now, don't make such a funeral face. It isn't dying that's sad; it's living when you're not happy.

‎The greatest danger of a terrorist's bomb is in the explosion of stupidity that it provokes.

To take something from a person and keep it for oneself: that is robbery. To take something from one person and then turn it over to another in exchange for as much money as you can get: that is business. Robbery is so much more stupid, since it is satisfied with a single, frequently dangerous profit; whereas in business it can be doubled without danger.

While I was an honorable man in her eyes, she did not love me. But the minute she understood what I was, when she breathed the true and foul odor of my soul, love was born in her – for she does love me! Well, well! There is nothing real, then, except evil.

There is a diabolical streak in me, a troublesome and inexplicable perversity.