The leaves and the light are one.

There is a driving force more powerful than steam, electricity and nuclear power: the will.

Out of the clutter find Simplicity

A country cannot simultaneously prepare and prevent war. I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones. The distinctions separating the social classes are false; in the last analysis they rest on force.

Gravity is a response to geometry.

I do not believe that a moral philosophy can ever be founded on a scientific basis. … The valuation of life and all its nobler expressions can only come out of the soul’s yearning toward its own destiny. Every attempt to reduce ethics to scientific formulas must fail. Of that I am perfectly convinced.

Relativity is a purely scientific matter and has nothing to do with religion.