Common sense is that layer of prejudices which we acquire before we are sixteen.

It is easy to say something new, if all senses one will eschew. But hardly ever is found, that the new is also sound.

I do know that kind fate allowed me to find a couple of nice ideas after many years of feverish labor.

Body and soul are not two different things, but only two different ways of perceiving the same thing. Similarly, physics and psychology are only different attempts to link our experiences together by way of systematic thought.

There is no salvation for civilization, or even the human race, other than the creation of a world government.

The majority of the stupid is invincible and guaranteed for all time. The terror of their tyranny, however, is alleviated by their lack of consistency.

To act intelligently in human affairs is only possible if an attempt is made to understand the thoughts, motives, and apprehension of one's opponent so fully that one can see the world through their eyes.