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

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.

The implications of the transfer of full sovereignty from separate nations to a World Organization. . .Political unification in some sort of World Government will be required. . .Even though. . . any radical eugenic policy will be for many years politically and psychologically impossible, with the greatest care, and that the public mind is informed of the issues at stake so that much that now is unthinkable may at least become thinkable.

...it is curiosity, initiative, originality, and the ruthless application of honesty that count in research- much more than feats of logic and memory alone.

This earth is one of the rare spots in the cosmos where mind has flowered. Man is a product of nearly three billion years of evolution, in whose person the evolutionary process has at last become conscious of itself and its possibilities. Whether he likes it or not, he is responsible for the whole further evolution of our planet.

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

Many people assert that this abandonment of the god hypothesis means the abandonment of all religion and all moral sanctions. This is simply not true. But it does mean, once our relief at jettisoning an outdated piece of ideological furniture is over, that we must construct something to take its place.