When I'm judging a theory, I ask myself whether, if I were God, I would have arranged the world in such a way.

It may be possible to fight intolerance, stupidity, and fanaticism seperately, but when they come together there is no hope.

The power of imagination is the ultimate creative power.. no doubt about that. While knowledge defines all we currently know and understand.. imagination points to all we might yet discover and create. Imagination is more important than knowledge. Your imagination is your preview of life's coming attractions

Though our conduct seems so very different from that of the higher animals, the primary instincts are much alike in them and in us.

Was wirklich zählt, ist Intuition

No one must think that Newton’s great creation can be overthrown in any real sense by this [Theory of Relativity] or by any other theory. His clear and wide ideas will for ever retain their significance as the foundation on which our modern conceptions of physics have been built.

God Almighty does not throw dice.