I don't need to know everything, I just need to know where to find it, when I need it
Berlin is the place to which I am most closely bound by human and scientific ties.
Only strong characters can resist the temptation of superficial analysis.
Human beings can attain a worthy and harmonious life only if they are able to rid themselves, within the limits of human nature, of the striving for the wish fulfillment of material kinds. The goal is to raise the spiritual values of society.
It is strange to be known so universally and yet to be so lonely.
A man's moral worth is not measured by what his religious beliefs are but rather by what emotional impulses he has received from Nature during his lifetime.