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

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

I much prefer the sharpest criticism of a single intelligent man to the thoughtless approval of the masses.

If two stones were placed... near each other, and beyond the sphere of influence of a third cognate body, these stones, like two magnetic needles, would come together in the intermediate point, each approaching the other by a space proportional to the comparative mass of the other.

[N]either this nor that supposition is worthy of the name of an astronomical hypothesis, but rather that which is implied in both alike.