The theory of our modern technic shows that nothing is as practical as theory.

Optimists think that this is the best of all possible worlds; pessimists fear they are right.

Now I am become death, the destroyer of worlds. (quoting the Bhagavad-Gita after witnessing the first Nuclear explosion.)

The most beautiful philosophical song existing in any known tongue.

There must be no barriers for freedom of inquiry... There is no place for dogma in science. The scientist is free, and must be free to ask any question, to doubt any assertion, to seek for any evidence, to correct any errors.

No man should escape our universities without knowing how little he knows.

It is proper to the role of the scientist that he not merely find new truth and communicate it to his fellows, but that he teach, that he try to bring the most honest and intelligible account of new knowledge to all who will try to learn.