952 Quotes by Isaac Asimov

As new areas of the world came into view through exploration, the number of identified species of animals and plants grew astronomically. By 1800 it had reached 70,000. Today more than 1.25 million different species, two-thirds animal and one-third plant, are known, and no biologist supposes that the count is complete.

I write for the same reason I breathe because if I didn't, I would die.

There is a cult of ignorance in the United States, and there has always been. 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 democracy means that 'my ignorance is just as good as your knowledge.

The stars, like dust, encircle me In living mists of light; And all of space I seem to see In one vast burst of sight.

How bright and beautiful a comet is as it flies past our planet—provided it does fly past it.

Never let your sense of morals prevent you from doing what is right!

The fact that the general incidence of leukemia has doubled in the last two decades may be due, partly, to the increasing use of x-rays for numerous purposes. The incidence of leukemia in doctors, who are likely to be so exposed, is twice that of the general public. In radiologists … the incidence is ten times greater.