But in physics I soon learned to scent out the paths that led to the depths, and to disregard everything else, all the many things that clutter up the mind, and divert it from the essential. The hitch in this was, of course, the fact that one had to cram all this stuff into one's mind for the examination, whether one liked it or not.

The pursuit of truth and beauty is a sphere of activity in which we are permitted to remain children all our lives.

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

We act as though comfort and luxury were the chief requirements of life. All that we need to make us happy is something to be enthusiastic about.

.. free and responsible development of the individual, so that he may place his powers freely and gladly in the service of all mankind. There is no room in this for the divinization of a nation, of a class, let alone of an individual. Are we not all children of one father, as it is said in religious language?

Beyond the realms of what we see, into the regions or the unexplored limited only by our imaginations.

My internal and external life depend so much on the work of others that I must make an extreme effort to give as much as I receive.