How much more the seeker of abstract truth, who needs periods of isolation, and rapt concentration, and almost a going out of thebody to think!

The astronomers said, 'Give us matter and a little motion and we will construct the universe. It is not enough that we should have matter, we must also have a single impulse, one shove to launch the mass and generate the harmony of the centrifugal and centripetal forces.' ... There is no end to the consequences of the act. That famous aboriginal push propagates itself through all the balls of the system, and through every atom of every ball.

Nothing external to you has any power over you.

Good poetry could not have been otherwise written than it is. The first time you hear it, it sounds rather as if copied out of some invisible tablet in the Eternal mind than as if arbitrarily composed by the poet.

The angels are so enamored of the language that is spoken in heaven that they will not distort their lips with the hissing and unmusical dialects of men, but speak their own, whether their be any who understand it or not.

The miracles of genius always rest on profound convictions which refuse to be analyzed.

The first wealth is health.