There are things so deep and complex that only intuition can reach it in our stage of development as human beings.
It is through science that we prove, but through intuition that we discover.
There are only two ways to live your life. One is as though nothing is a miracle. The other is as though everything is a miracle.
Logic will get you from A to B. Imagination will take you everywhere.
One may say the eternal mystery of the world is its comprehensibility.
In wartime, truth is so precious that she should always be attended by a bodyguard of lies.
Nothing in life is so exhilarating as to be shot at without result.
Ethical axioms are found and tested not very differently from the axioms of science. Truth is what stands the test of experience.
Every day I remind myself that my inner and outer life are based on the labors of other men, living and dead, and that I must exert myself in order to give in the same measure as I have received and am still receiving.