I used to measure the skies, now I measure the shadows of Earth.Although my mind was sky-bound, the shadow of my body lies
The orbit of every planet is an ellipse with the sun at one of the two foci.
Planets move in ellipses with the Sun at one focus.
I much prefer the sharpest criticism of a single intelligent man to the thoughtless approval of the masses.
We ought not to ask why the human mind troubles to fathom the secrets of the universe. The diversity of the phenomena of nature is so great, and the treasures hidden in the skies so rich, precisely in...
Nature uses as little as possible of anything.
The diversity of the phenomena of nature is so great, and the treasures hidden in the heavens so rich, precisely in order that the human mind shall never be lacking in fresh nourishment.
Truth is the daughter of time, and I feel no shame in being her midwife.
Sky-bound was the mind, Earth-bound the body rests