952 Quotes by 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 force that pushes mankind to newer and loftier conquests.

I made up my mind long ago to follow one cardinal rule in all my writing — to be clear.

Science can be introduced to children well or poorly. If poorly, children can be turned away from science; they can develop a lifelong antipathy; they will be in a far worse condition than if they had never been introduced to science at all.

It’s a poor atom blaster that won’t point both ways.

It was easy to cover up ignorance by the mystical word "intuition.

A good question is, of course, the key by which infinite answers can be educed.

At two-tenths the speed of light, dust and atoms might not do significant damage even in a voyage of 40 years, but the faster you go, the worse it is--space begins to become abrasive. When you begin to approach the speed of light, hydrogen atoms become cosmic-ray particles, and they will fry the crew. ...So 60,000 kilometers per second may be the practical speed limit for space travel.

The first step in making rabbit stew is catching the rabbit.

It is the nature of the mind that makes individuals kin, and the differences in the shape, form or manner of the material atoms out of whose intricate relationships that mind is built are altogether trivial.