We don't laugh because we're happy - we're happy because we laugh.

The absolute things, the last things, the overlapping things, are the truly philosophic concerns; all superior minds feel seriously about them, and the mind with the shortest views is simply the mind of the more shallow man.

To be radical, an empiricism must neither admit into its constructions any element that is not directly experienced, nor exclude from them any element that is directly experienced.

If, then, you wish to insure the interest of your pupils, there is only one way to do it; and that is to make certain that they have something in their minds to attend with, when you begin to talk. That something can consist in nothing but a previous lot of ideas already interesting in themselves, and of such a nature that the incoming novel objects which you present can dovetail into them and form with them some kind of a logically associated or systematic whole.

I myself believe that the evidence for God lies primarily in inner personal experiences.

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

Our acts of voluntary attending, as brief and fitful as they are, are nevertheless momentous and critical, determining us, as they do, to higher or lower destinies.