Do not forget that a traitor within our ranks, known to us, can do more harm to the enemy than a loyal man can do good to us. — Isaac Asimov Copy Share Image
Old men tend to forget what thought was like in their youth; they forget the quickness of the mental jump, the daring of the youthful intuition, the agility of the fresh insight. They become accustomed to the more plodding varieties… — Isaac Asimov Copy Share Image
The strain of anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that… — Isaac Asimov Copy Share Image
Suppose that we are wise enough to learn and know-and yet not wise enough to control our learning and knowledge, so that we use… — Isaac Asimov Copy Share Image
Uncertainty that comes from knowledge (knowing what you don't know) is different from uncertainty coming from ignorance. — Isaac Asimov Copy Share Image
“Don't you see? It's Galaxy-wide. It's a worship of the past. It's a deterioration - a stagnation!” — Isaac Asimov Copy Share Image
So the universe is not quite as you thought it was. You'd better rearrange your beliefs, then. Because you certainly can't rearrange the universe. — Isaac Asimov Copy Share Image
It is in meeting the great tests that mankind can most successfully rise to great heights. Out of danger and restless insecurity comes the… — Isaac Asimov Copy Share Image
“It might seem to you, Peter, that a truck driver, one step above an ape in your view, can't remember. But truck drivers can… — Isaac Asimov Copy Share Image
When life is so harsh that a man loses all hope in himself, then he raises his eyes to a shining rock, worshipping it,… — Isaac Asimov Copy Share Image
“You are a military man and should know better. If there is one science into which man has probed continuously and successfully, it is… — Isaac Asimov Copy Share Image
“Human beings can tolerate an immortal robot, for it doesn't matter how long a machine lasts, but they cannot tolerate an immortal human being… — Isaac Asimov Copy Share Image
“if people believe this, they would act on that belief. Many a prophecy, by the mere force of its being believed, is transmuted” — Isaac Asimov Copy Share Image
