Evolution is nothing but matter become conscious of itself.

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.

How unfortunate for mankind that the Lord is reported by Holy Writ as having said 'Vengeance is mine!'

There are thus two tasks for the Mass Media division of Unesco, the one general, the other special. The special one is to enlist the press and the radio and the cinema to the fullest extent in the service of formal and adult education, of science and learning, of art and culture. The general one is to see that these agencies are used both to contribute to mutual comprehension between different nations and cultures, and also to promote the growth of a common outlook shared by all nations and cultures.

Human potentialities constitute the world's greatest resource.

The god hypothesis is no longer of any pragmatic value for the interpretation or comprehension of nature, and indeed often stands in the way of better and truer interpretation. Operationally, God is beginning to resemble not a ruler, but the last fading smile of a cosmic Cheshire Cat.

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.