To be fertile in hypotheses is the first perquisite of creativity and to be willing to throw them away the moment experience contradicts them is the next.

To know an object is to lead to it through a context which the world provides

Belief is desecrated when given to unproved and unquestioned statements for the solace and private pleasure of the believer . . . It is wrong always, everywhere, and for every one, to believe anything upon insufficient evidence.

At bottom, the whole concern of religion is with the manner of our acceptance of the universe.

Deepest principle of human nature is to be appreciated.

I know that you, ladies and gentlemen, have a philosophy, each and all of you, and that the most interesting and important thing about you is the way in which it determines the perspective in your several worlds.

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