I believe that when I die I shall rot, and nothing of my ego will survive. I am not young, and I love life. But I should scorn to shiver with terror at the thought of annihilation. Happiness is nonetheless true happiness because it must come to an end, nor do thought and love lose their value because they are not everlasting.

I once saw a photograph of a large herd of wild elephants in Central Africa Seeing an airplane for the first time, and all in a state of wild collective terror... As, however, there were no journalists among them, the terror died down when the airplane was out of sight.

To understand a name you must be acquainted with the particular of which it is a name.

The fundamental concept in social science is Power, in the same sense in which Energy is the fundamental concept in physics.

There seems scarcely any limit to what could be done in the way of producing a good world, if only men would use science wisely.

I do not think that the real reason why people accept religion has anything to do with argumentation. They accept religion on emotional grounds.

All that passes for knowledge can be arranged in a hierarchy of degrees of certainty, with arithmetic and the facts of perception at the top.