Knowledge exists in two forms - lifeless, stored in books, and alive, in the consciousness of men. The second form of existence is after all the essential one; the first, indispensable as it may be, occupies only an inferior position.

Imagination is the highest form of research.

Raffiniert ist der Herr Gott, aber boshaft ist er nicht. God is subtle, but he is not malicious.

Generations to come will scarce believe that such a one as this ever in flesh and blood walked upon this earth. (said of Mahatma Gandhi)

Striving for social justice is the most valuable thing to do in life.

There is an atmosphere of well-sounding oratory that likes to attach itself to dress clothes. Away with it!

Only a life lived for others is a life worth while . I have no special gift. I am only passionately curious . I want to know God's thoughts... all the rest are details. Joy in looking and comprehending is nature's most beautiful gift. It's not that I'm so smart , it's just that I stay with problems longer.