The moral faculties are generally and justly esteemed as of higher value than the intellectual powers.

The assumed instinctive belief in God has been used by many persons as an argument for his existence. But this is a rash argument, as we should thus be compelled to believe in the existence of many cruel and malignant spirits, only a little more powerful than man; for the belief in them is far more general than in a beneficent deity.

Natural selection acts solely by accumulating slight successive favorable variations, it can produce no great or sudden modification; it can act only by very short steps.

The most important factor in survival is neither intelligence nor strength but adaptability.

I would give absolutely nothing for the theory of Natural Selection, if it requires miraculous additions at any one stage of descent.

Daily it is forced home on the mind of the biologist that nothing, not even the wind that blows, is so unstable as the level of the crust of this earth.

And hail their queen, fair regent of the night.