Truth as such is not a particularly important concept in naturalistic philosophy.

Darwinism is not merely a support for naturalistic philosophy: it is a product of naturalistic philosophy.

All the most prominent Darwinists proclaim naturalistic philosophy when they think it safe to do so.

Evolutionary biologists are not content merely to explain how variation occurs within limits, however. They aspire to answer a much broader question-which is how complex organisms like birds, and flowers, and human beings came into existence in the first place.

In England, an inventor is regarded almost as a crazy man, and in too many instances, invention ends in disappointment and poverty. In America, an inventor is honoured, help is forthcoming, and the exercise of ingenuity, the application of science to the work of man, is there the shortest road to wealth.

There is nothing that living things do that cannot be understood from the point of view that they are made of atoms acting according to the laws of physics.

If you understand physics of how a locomotive works, that knowledge is irreplaceable.

Ultimately, the problem is that sex is perceived as a personal, intimate thing, not in the realm of science. But that's not true. It's physiology; it's anatomy. It deserves to be studied.