That an error made on your own is safer than ten truths accepted on faith, because the first leaves you the means to correct it but the second destro….

I can accept anything, except what seems to be the easiest for most people: the half-way, the almost, the just-about, the in-between..

Civilization is the progress toward a society of privacy. The savage's whole existence is public, ruled by the laws of his tribe. Civilization is the….

Civilization is the progress toward a society of privacy..

The great creators - the thinkers, the artists, the scientists, the inventors - stood alone against the men of their time. Every great new thought wa….

Did you get your money by fraud? By pandering to men's vices or men's stupidity? By catering to fools, in the hope of getting more than your abilit….

There is fear hanging in the air of the sleeping halls, and the air of the streets. Fear walks through the city, fear without name, without shape. Al….

Now you see, Dr. Stadler, you're speaking as if this book were addressing to a thinking audience. If it were, one would have to be concerned with suc….

Well, I always know what I want. And when you know what you want--you go toward it. Sometimes you go very fast, and sometimes only an inch a year. Pe….

What is man? He's just a collection of chemicals with delusions of grandeur..

Ever since Kant divorced reason from reality, his intellectual descendants have been diligently widening the breach..

Tell me what a person finds sexually attractive and I will tell you their entire philosophy of life. Show me the person they sleep with and I will te….

That's a cute sentence: the years to come. Why are you so sure they're coming?.

What you think is an illusion created by your glands, your emotions and, in the last analysis, by the content of your stomach. That gray matter you'r….

The moral is the chosen, not the forced; the understood, not the obeyed. The moral is the rational, and reason accepts no commandments..

Morality is a code of black and white. When and if men attempt a compromise, it is obvious which side will necessarily lose and which will necessaril….

We are all brothers under the skin - and I, for one, would be willing to skin humanity to prove it..

The government has created a nation of paper criminals. People can be put in jail and lose civil rights and liberties through bureaucratic procedures….

Selfishness does not mean only to do things for one's self. One may do things, affecting others, for his own pleasure and benefit. This is not immora….

Capitalism was the only system in history where wealth was not acquired by looting, but by production, not by force, but by trade, the only system th….

The truth is not for all men, but only for those who seek it..