In spite of the great advances which have been made in our knowledge, some fundamental gaps remain. Matter, life and mind still remain utter disparate phenomena, yet the concepts of all three arise in experience; and in the human all three meet and intermingle.

When I look at history, I am a pessimist...but when I look at prehistory, I am an optimist.

Instead of the animistic, mechanistic, or the mathematical universe, we see the genetic, organic, holistic universe.

What was everybody's business in the end proved to be nobody's business. Each one looked to the other to take the lead, and the aggressorsgot away with it.

Democracy, with its promise of international peace, has been no better guarantee against war than the old dynastic rule of kings.

...evolution is the gradual development and stratification of progressive series of wholes, stretching from the inorganic beginnings to the highest level of spiritual creation.

If there was to be equal manhood suffrage the whites would be swamped all over South Africa by the blacks and the whole position for which whites have striven for 200 years or more would be given up.