It has been said that man is a rational animal. All my life I have been searching for evidence which could support this.

The most essential characteristic of scientific technique is that it proceeds from experiment, not from tradition.

If we were all given by magic the power to read each other’s thoughts, I suppose the first effect would be almost all friendships would be dissolved; the second effect, however, might be excellent, for a world without any friends would be felt to be intolerable, and we should learn to like each other without needing a veil of illusion to conceal from ourselves that we did not think each other absolutely perfect.

The examination system, and the fact that instruction is treated mainly as a training for a livelihood, leads the young to regard knowledge from a purely utilitarian point of view as the road to money, not as the gateway to wisdom.

Religion is something left over from the infancy of our intelligence, it will fade away as we adopt reason and science as our guidelines.

This illustrates an important truth, namely, that the worse your logic, the more interesting the consequences to which it gives rise.

The place of the father in the modern suburban family is a very small one, particularly if he plays golf.