Don't dream of being a good person, be a human being is valuable and gives value to life.

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.

The mind can proceed only so far upon what it knows and can prove. There comes a point where the mind takes a higher plane of knowledge, but can never prove how it got there. All great discoveries have involved such a leap

A brave man, whose only fault was being a woman.

A world government with powers adequate to guarantee security is not a remote ideal for the distant future. It is an urgent necessity if our civilization is to survive.

The more I learn of physics, the more I am drawn to metaphysics.

Science can only ascertain what is, but not what should be, and outside of its domain value judgements of all kinds remain necessary.