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 a… - Julian Huxley

The new understanding of the universe has come about through the new knowledge amassed in the last hundred years — by psychologists, biologists, and other scientists, by archaeologists, anthropologists, and historians. It has defined man's responsibility and destiny — to be an agent for the rest of the world in the job of realizing its inherent potentialities as fully as possible. It is as if man had been suddenly appointed managing director of the biggest business of all, the business of evolution — appointed without being asked if he wanted it, and without proper warning and preparation. What is more, he can't refuse the job. Whether he wants to or not, whether he is conscious of what he is doing or not, he is in point of fact determining the future direction of evolution on this earth. That is his inescapable destiny, and the sooner he realizes it and starts believing in it, the better for all concerned.

I recall the story of the philosopher and the theologian... The two were engaged in disputation and the theologian used the old quip about a philosopher resembling a blind man, in a dark room, looking for a black cat — which wasn't there. ‘That may be,’ said the philosopher, ‘but a theologian would have found it.

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