Science, like life, feeds on its own decay. New facts burst old rules; then newly divined conceptions bind old and new together into a reconciling law.

Volition . . . takes place only when there are a number of conflicting systems of ideas, and depends on our having a complex field of consciousness.

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

... no bell in us tolls to let us know for certain when truth is in our grasp.

An idea will infect another with its own emotional interest when they have become both associated together into any sort of a mental total.

My experience is what I agree to attend to.

The teachers of this country, one may say, have its future in their hands.