I used to measure the heavens Now the Earth's shadows I measure My mind was in the heavens, Now the shadow of my body rests here - Johannes Kepler

Sky-bound was the mind, Earth-bound the body rests

I used to measure the skies, now I measure the shadows of Earth.
Sky-bound was the mind, earthbound the body rests.

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.

The harnessing to a rational pursuit of the immense psychic energies derived from an irrational obsession seems to be another secret of genius, at least of genius of a certain type.

But although the attractive virtue of the earth extends upwards, as has been said, so very far, yet if any stone should be at a distance great enough to become sensible compared with the earth’s diameter, it is true that on the motion of the earth such a stone would not follow altogether; its own force of resistance would be combined with the attractive force of the earth, and thus it would extricate itself in some degree from the motion of the earth.