The real problem is in the hearts and minds of men. It is easier to denature plutonium than to denature the evil spirit of man.

It stands to the everlasting credit of science that by acting on the human mind it has overcome man's insecurity before himself and before nature.

The human mind has first to construct forms, independently, before we can find them in things.

One had to cram all this stuff into one's mind for the examinations, whether one liked it or not. This coercion had such a deterring effect on me that, after I had passed the final examination, I found the consideration of any scientific problems dis

Hand it to him, and he will turn away. Take it from him, and he quickly runs after it.

It is easier to denature plutonium than to denature the evil spirit of man.