I also ask you my friends not to condemn me entirely to the mill of mathematical calculations, and allow me time for philosophical speculations, my only pleasures.

Nature loves simplicity and unity.

Astronomy would not provide me with bread if men did not entertain hopes of reading the future in the heavens.

Science is the process of thinking God's thoughts after Him.

When ships to sail the void between the stars have been built, there will step forth men to sail these ships.

We find, therefore, under this orderly arrangement, a wonderful symmetry in the universe, and a definite relation of harmony in the motion and magnitude of the orbs, of a kind that is not possible to obtain in any other way.

Do we ask what profit the little bird hopes for in singing?