The theory of universal gravitation is not cast-iron. No theory is, and there is always room for improvement. Isn't that so? Science is constructed out of approximations that gradually approach the tr...
I am not a speed reader. I am a speed understander.
I think you are wrong, partner Elijah. My briefing on human characteristics here among the people of Earth includes the information that, unlike the men of the Outer Worlds, they are trained from birt...
Properly read, the Bible is the most potent force for atheism ever conceived.
The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom.
It takes more than capital to swing business. You've got to have the A. I. D. degree to get by - Advertising, Initiative, and Dynamics.
They (Medievalists) are soft, dreamy people who find life too hard for them here and get lost in an ideal world of the past that never really existed.
Stoop, then, or you will be beaten to your knees. Stoop voluntarily, and you may save a remnant. You have depended on metal and power and they have sustained you as far as they could. You have ignored...
I don't know. How did Beethoven hear the Ninth Symphony in his head before he wrote it down? The brain's a pretty good computer, too, isn't it?
It is the writer who might catch the imagination of young people, and plant a seed that will flower and come to fruition.
You are never too old to learn more than you already know and to become able to do more than you already can.
One might suppose that reality must be held to at all costs. However, though that may be the moral thing to do, it is not necessarily the most useful thing to do. The Greeks themselves chose the ideal...
I believe in evidence. I believe in observation, measurement, and reasoning, confirmed by independent observers. I'll believe anything, no matter how wild and ridiculous, if there is evidence for it....
Every period of human development has had its own particular type of human conflict---its own variety of problem that, apparently, could be settled only by force. And each time, frustratingly enough,...
And Elvex said, I was the man. - In Robot dreams (Short story)
I don't expect to live forever, but I do intend to hang on as long as possible.
Writing, to me, is simply thinking through my fingers.
Many years later he looked through one of my books and said, "How did you learn all this, Isaac?""From you, Pappa", I said."From me? I don't know any of this"."You didn't have to, Pappa", I said. "You...
The stars, like dust, encircle meIn living mists of light;And all of space I seem to seeIn one vast burst of sight
The fall of Empire, gentlemen, is a massive thing, however, and not easily fought. It is dictated by a rising bureaucracy, a receding initiative, a freezing of caste, a damming of curiosity—a hundred...