Where any answer is possible, all answers are meaningless..

Why continue? Because we must. Because we have the call. Because it is nobler to fight for rationality without winning than to give up in the face of….

This game the Persian Magi did invent, The force of Eastern wisdom to express: From thence to busy Europeans sent, And styled by modern Lombards pens….

Fertility is hereditary. If your parents didn't have any children, neither will you. I do not fear computers. I fear the lack of them..

It's not so much what you have to learn if you accept weird theories, it's what you have to UNlearn..

All you have to do is take a close look at yourself and you will understand everyone else..

It is the obvious which is so difficult to see most of the time. People say 'It's as plain as the nose on your face.' But how much of the nose on you….

It is no defense of superstition and pseudoscience to say that it brings solace and comfort to people. . . . If solace and comfort are how we judge t….

Scientific apparatus offers a window to knowledge, but as they grow more elaborate, scientists spend ever more time washing the windows..

Inertia! Our ruling class knows one law; no change. Despotism! They know one rule; force. Maldistribution! They know one desire; to hold what is thei….

A robot may not injure a human being, or, through inaction, allow a human being to come to harm..

A fire-eater must eat fire even if he has to kindle it himself..

I don't think I've ever held a racket in my hand ... There's got to be somebody in the US who isn't trying to play tennis and stinking up the court..

The Master created humans first as the lowest type, most easily formed. Gradually, he replaced them by robots, the next higher step, and finally he c….

It is remarkable, Hardin, how the religion of science has grabbed hold..

Self-education is, I firmly believe, the only kind of education there is. The only function of a school is to make self-education easier; failing tha….

Maybe happiness is this: not feeling like you should be elsewhere, doing something else, being someone else..

When life is so harsh that a man loses all hope in himself, then he raises his eyes to a shining rock, worshipping it, just to find hope again, rathe….

You see, proteins, as I probably needn't tell you, are immensely complicated groupings of amino acids and certain other specialized compounds, arrang….

Before another century is done it will be hard for people to imagine a time when humanity was confined to one world, and it will seem to them incredi….

Science is dangerous. There is no question but that poison gas, genetic engineering, and nuclear weapons and power stations are terrifying. It may be….