We are used to discounting the river-gods and dryads of the Greeks as poetical fancies, and even the chief figures in the classical Pantheon-Venus, Minerva, Mars, and the rest-as allegories. But, forgetting that they once carried as much sanctity as our saints and divinities, we refrain from applying the same reasoning to our own objects of worship.

The popular and scientific views of "race" no longer coincide. The word "race," as applied scientifically to human groupings, has lost any sharpness of meaning. To-day it is hardly definable in scientific terms, except as an abstract concept which may, under certain conditions, very different from those now prevalent, have been realized approximately in the past and might, under certain other but equally different conditions, be realized in the distant future.

We are used to discounting the river-gods and dryads of the Greeks as poetical fancies, and even the chief figures in the classical Pantheon-Venus, Minerva, Mars, and the rest-as allegories. But, forgetting that they once carried as much sanctity as our saints and divinities, we refrain from applying the same reasoning to our own objects of worship.

As political and economic freedom diminishes, sexual freedom tends to compensatingly increase and the dictator... will do well to encourage that freedom in conjunction with the freedom to daydream under the influence of dope, movies, and radio. It will help to reconcile his subjects to the servitude which is their fate.

Quantity of material production can only be a means to a further end, not an end in itself.

It is essential for evolution to become the central core of any educational system, because it is evolution, in the broad sense, that links inorganic nature with life, and the stars with the earth, and matter with mind, and animals with man. Human history is a continuation of biological evolution in a different form.

Evolution... is the most powerful and the most comprehensive idea that has ever arisen on Earth.