Anyone who displays a capacity for double-dealing must…

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

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

Uncertainty that comes from knowledge (knowing what you don't know) is different from uncertainty coming from ignorance.

— Isaac Asimov

“Don't you see? It's Galaxy-wide. It's a worship of the past. It's a deterioration - a stagnation!”

— Isaac Asimov

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

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

“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

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

“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

“temperatura constante de mais ou menos 21 graus”

— Isaac Asimov

“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

“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

I do not use airplanes. They strike me as unsporting. You can have an automobile accident-and survive. You can be on a sinking ship-and…

— Isaac Asimov

There are many aspects of the universe that still cannot be explained satisfactorily by science; but ignorance implies only ignorance that may someday be…

— Isaac Asimov

A robot must obey the orders given it by human beings except where such orders would conflict with the First Law. [The Second Law…

— Isaac Asimov