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.

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

Ships and sails proper for the heavenly air should be fashioned. Then there will also be people, who do not shrink from the dreary vastness of space.

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.

O telescope, instrument of much knowledge, more precious than any sceptre!