The world will not be destroyed by those who do evil, but by those who watch them without doing anything.

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

Science can only ascertain what is, but not what should be, and outside of its domain value judgements of all kinds remain necessary.

What interests me most is whether God could have made the world differently.

If I were wrong, wouldn't one be enough?

One should never impose one's views on a problem; one should rather study it, and in time a solution will reveal itself.

So long as there are men, there will be wars.