To speculate without facts is to attempt to enter a house of which one has not the key, by wandering aimlessly round and round, searching the walls and now and then peeping through the windows. Facts are the key.

The human race will be the cancer of the planet.

Human potentialities constitute the world's greatest resource.

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 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.

...everything in psychosocial evolution which can properly be called advance, or progress, or improvement, is due directionaly to the increase or improvement of knowledge.

Darwinism removed the whole idea of God as the creator from the sphere of rational discussion.