Man cannot survive except by gaining knowledge, and reason is his only means to gain it.
All property and all forms of wealth are produced by man's mind and labor.
Discard the protective rags of that vice which you called a virtue: humility. Learn to value yourself, which means: to FIGHT for your happiness, and when you learn that pride is the sum of all virtues, you will learn to live like a man.
Evil is impotent and has no power but that which we let it extort from us.
I will stop the motor of the world.
I do not enter discussions with neighbors who think they can forbid me to think. I do not place my moral sanction upon a murderer's wish to kill me. When a man attempts to deal with me by force, I answer him-by force.