Faith in the possibilities of continued and rigorous inquiry does not limit access to truth to any channel or scheme of things. It does not first say that truth is universal and then add there is but one road to it.

In general, every stimulus directs activity. It does not simply excite it or stir it up, but directs it toward an object.

One might as well say he has sold when no one has bought as to say he has taught when no one has learned.

The bare fact that language consists of sounds which are mutually intelligible is enough of itself to show that its meaning depends upon connection with a shared experience.

The struggle for democracy has to be maintained on as many fronts as culture has aspects: political, economic, international, educational, scientific and artistic, religious.

It requires troublesome work to undertake the alteration of old beliefs.

Historically the great movements for human liberation have always been movements to change institutions and not to preserve them intact. It follows from what has been said that there have been movements to bring about a changed distribution of power to do - and power to think and to express thought is a power to do- so that there would be a more balanced, a more equal, even, and equitable system of human liberties.