In the revolt against idealism, the ambiguities of the word experience have been perceived, with the result that realists have more and more avoided the word.

But if thought is to become the possession of many, not the privilege of the few, we must have done with fear. It is fear that holds men back - fear lest their cherished beliefs should prove delusions, fear lest the institutions by which they live should prove harmful, fear lest they themselves should prove less worthy of respect than they have supposed themselves to be.

As soon as we abandon our own reason, and are content to rely upon authority, there is no end to our troubles.

But it is just this characteristic of simplicity in the laws of nature hitherto discovered which it would be fallacious to generalize, for it is obvious that simplicity has been a part cause of their discovery, and can, therefore, give no ground for the supposition that other undiscovered laws are equally simple.

It is permissible with certain precautions to speak in print of coitus, but it is not permissible to employ the monosyllabic synonym for this word.

In our complex world, there cannot be fruitful initiative without government, but unfortunately there can be government without initiative.

When I was a child . . . Only virtue was prized, virtue at the expense of intellect, health, happiness, and every mundane good.