More and more I come to value charity and love of one's fellow being above everything else...All our lauded technological progress-our very civilization-is like the axe in the hand of the pathological criminal.

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

Agreements about what is good or not, are usually not worth much. It is very much like art, is it not an art to lead a good life?

But there is another reason for the high repute of mathematics: it is mathematics that offers the exact natural sciences a certain measure of security which, without mathematics, they could not attain.

In theory, theory and practice are the same. In practice, they are not.

Marie Curie is, of all celebrated beings, the only one whom fame has not corrupted.

Given the millions of billions of Earth-like planets, life elsewhere in the Universe without a doubt, does exist. In the vastness of the Universe we are not alone.