True religion is real living; living with all one's soul, with all one's goodness and righteousness.
The world needs heroes and it's better they be harmless men like me than villains like Hitler.
These thoughts did not come in any verbal formulation. I rarely think in words at all. A thought comes, and I may try to express it in words afterward.
Things should be made as simple as possible, but not any simpler.
Through the release of atomic energy, our generation has brought into the world the most revolutionary force since prehistoric man's discovery of fire. This basic force of the universe cannot be fitted into the outmoded concept of narrow nationalisms.
Thus the partial differential equation entered theoretical physics as a handmaid, but has gradually become mistress.
All religions, arts and sciences are branches of the same tree. All these aspirations are directed toward ennobling man's life, lifting it from the sphere of mere physical existence and leading the individual towards freedom.
Too many of us look upon Americans as dollar chasers. This is a cruel libel, even if it is reiterated thoughtlessly by the Americans themselves.
The truth of a theory is in your mind, not in your eyes.
Two things are infinite: the universe and human stupidity; and I'm not sure about the the universe.