I soon learned to scent out that which was able to lead to fundamentals and to turn aside from everything else, from the multitude of things which clutter up the mind and divert it from the essential.

Only six men in the world know about relativity. I am not one of them. When I ask them to explain, they confused me.

Science has brought forth this danger, but the real problem is in the minds and hearts of men.

Concern for man and his fate must always form the chief interest of all technical endeavors. Never forget this in the midst of your diagrams and equations.

The legs are the wheels of creativity.

The state exists for man, not man for the state. The same may be said of science. These are old phrases, coined by people who saw in human individuality the highest human value. I would hesitate to repeat them, were it not for the ever recurring danger that they may be forgotten, especially in these days of organization and stereotypes.

I know that philosophically a murderer is not responsible for his crime, but I prefer not to take tea with him.