Evolution: The Modern Synthesis.

Some day no one will have to work more than two days a week... The human being can consume so much and no more. When we reach the point when the world produces all the goods that it needs in two days, as it inevitably will, we must curtail our production of goods and turn our attention to the great problem of what to do with our new leisure.

...any belief in supernatural creators, rulers, or influencers of natural or human process introduces an irreparable split into the universe, and prevents us from grasping its real unity. Any belief in Absolutes, whether the absolute validity of moral commandments, of authority of revelation, of inner certitudes, or of divine inspiration, erects a formidable barrier against progress and the responsibility of improvement, moral, rational, and religious.

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

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.

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

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.