You may not get everything you dream about, but you will never get anything you don't dream about.

The first thing to learn in intercourse with others is non-interference with their own particular ways of being happy, provided those ways do not assume to interfere by violence with ours.

Most people live, whether physically, intellectually or morally, in a very restricted circle of their potential being. They make very small use of their possible consciousness, and of their soul's resources in general, much like a man who, out of his whole bodily organism, should get into a habit of using and moving only his little finger.

I wished by treating Psychology like a natural science, to help her become one.

Faith is synonymous with working hypothesis.

No one sees further into a generalization than his own knowledge of detail extends.

The mind, in short, works on the data it receives very much as the sculptor works on his block of stone.