Widespread caffeine use explains a lot about the twentieth century.

Widespread caffeine use explains a lot about the twentieth century.

To love truth for truth's sake is the principal part of human perfection in this world, and the seed-plot of read more

To love truth for truth's sake is the principal part of human perfection in this world, and the seed-plot of all other virtues.

A touchstone to determine the actual worth of an "intellectual"- find out how he feels about astrology.

A touchstone to determine the actual worth of an "intellectual"- find out how he feels about astrology.

A new scientific truth does not triumph by convincing its opponents and making them see the light, but rather because read more

A new scientific truth does not triumph by convincing its opponents and making them see the light, but rather because its opponents eventually die out, and a new generation grows up that is familiar with it.

Don't think there are no crocodiles because the water is calm.

Don't think there are no crocodiles because the water is calm.

We run fastest and farthest when we run from ourselves.

We run fastest and farthest when we run from ourselves.

Society exists only as a mental concept; in the real world there are only individuals.

Society exists only as a mental concept; in the real world there are only individuals.

Though they seem at opposite poles, fanatics of all kinds are actually crowded together at one end. It is the read more

Though they seem at opposite poles, fanatics of all kinds are actually crowded together at one end. It is the fanatic and the moderate who are poles apart and never meet.

All human progress, even in morals, has been the work of men who have doubted the current moral values, not read more

All human progress, even in morals, has been the work of men who have doubted the current moral values, not of men who have whooped them up and tried to enforce them.