There are few things more dishonorable than misleading the young.

There are few things more dishonorable than misleading the young.

...anyone who writes about "Darwin's theory of evolution" in the singular, without segregating the theories of gradual evolution, common descent, read more

...anyone who writes about "Darwin's theory of evolution" in the singular, without segregating the theories of gradual evolution, common descent, speciation, and the mechanism of natural selection, will be quite unable to discuss the subject competently.

When grubbing for necessities man is still an animal. He becomes uniquely human when he reaches out for the superfluous read more

When grubbing for necessities man is still an animal. He becomes uniquely human when he reaches out for the superfluous and extravagant.

Without a struggle, there can be no progress.

Without a struggle, there can be no progress.

The common idea that success spoils people by making them vain, egotistic, and self-complacent is erroneous; on the contrary it read more

The common idea that success spoils people by making them vain, egotistic, and self-complacent is erroneous; on the contrary it makes them, for the most part, humble, tolerant, and kind. Failure makes people bitter and cruel.

The criterion of truth is that it works even if nobody is prepared to acknowledge it.

The criterion of truth is that it works even if nobody is prepared to acknowledge it.

The best way to turn a woman's head is to tell her she has a beautiful profile.

The best way to turn a woman's head is to tell her she has a beautiful profile.

Man is the animal that intends to shoot himself out into interplanetary space, after having given up on the problem read more

Man is the animal that intends to shoot himself out into interplanetary space, after having given up on the problem of an efficient way to get himself five miles to work and back each day.

Deeds of violence in our society are performed largely by those trying to establish their self-esteem, to defend their self-image, read more

Deeds of violence in our society are performed largely by those trying to establish their self-esteem, to defend their self-image, and to demonstrate that they, too, are significant.