I believe my theory of relativity to be true. But it will only be proved for certain in 1981, when I am dead.

Fraulein Noether was the most significant creative mathematical genius thus far produced since the higher education of women began.

I have not eaten enough of the tree of knowledge, though in my profession I am obligated to feed on it regularly.

There's no question dolphins are smarter than humans as they play more.

Knowledge is limited.

I assert that the cosmic religious experience is the strongest and the noblest driving force behind scientific research.

Peace cannot be kept by force; it can only be achieved by understanding.