Science is a very human form of knowledge. We are always at the brink of the known; we always feel forward for what is to be hoped. Every judgment in science stands on the edge of error and is personal. Science is a tribute to what we can know although we are fallible.

Dream or nightmare, we have to live our experience as it is, and we have to live it awake. We live in a world which is penetrated through and through by science and which is both whole and real. We cannot turn it into a game simple by taking sides.

A genius is a man who has two great ideas.

Fifty years from now if an understanding of man's origins, his evolution, his history, his progress is not in the common place of the school books we shall not exist.

All science is the search for unity in hidden likenesses.

The world is made up of people who never quite get into the first team and who just miss the prizes at the flower show.

The central opposition between magic and science is the opposition between power and knowledge.