You do not really understand something unless you can explain it to your grandmother.

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

Even if you have to go through hell - go without hesitation.

What I value in life is quality rather then quantity.

It takes a different kind of thinking to solve a problem than the kind of thinking which produced the problem.

Conscious man, to be sure, has at all times been keenly aware that life is an adventure, that life must, forever, be wrested from death.

I am strongly drawn to the simple life and am often oppressed by the feeling that I am engrossing an unnecessary amount of the labour of my fellow men. I regard class differences as contrary to justice and, in the last resort, based on force. I also consider that plain living is good for everybody, physically and mentally.