If the earth were not round, heavy bodies would not tend from every side in a straight line towards the center of… — Johannes Kepler Copy Share Image
Gravity is a mutual affection between cognate bodies towards union or conjunction (similar in kind to the magnetic virtue), so that the… — Johannes Kepler Copy Share Image
I measured the skies, now the shadows I measure, Sky-bound was the mind, earth-bound the body rests. [Kepler's epitaph] — Johannes Kepler Copy Share Image
My aim is to say that the machinery of the heavens is not like a divine animal but like a clock (and… — Johannes Kepler Copy Share Image
If two stones were placed... near each other, and beyond the sphere of influence of a third cognate body, these stones, like… — Johannes Kepler Copy Share Image
I used to measure the Heavens, now I measure the shadows of Earth. The mind belonged to Heaven, the body's shadow lies… — Johannes Kepler Copy Share Image
The moon... is a mass, akin to the mass of the earth, attracts the waters by a magnetic force, not because they… — Johannes Kepler Copy Share Image
The heavenly bodies are nothing but a continuous song for several voices (perceived by the intellect, not by the ear); a music… — Johannes Kepler Copy Share Image
Every corporeal substance, so far forth as it is corporeal, has a natural fitness for resting in every place where it may… — Johannes Kepler Copy Share Image
There will certainly be no lack of human pioneers when we have mastered the art of flight....Let us create vessels and sails… — Johannes Kepler Copy Share Image
wheresoever the earth may be placed, or whithersoever it may be carried by its animal faculty, heavy bodies will always be carried… — Johannes Kepler Copy Share Image
If the earth should cease to attract its waters to itself all the waters of the sea would be raised and would… — Johannes Kepler Copy Share Image
We do not ask what hope of gain makes a little bird warble, since we know that it takes delight in singing… — Johannes Kepler Copy Share Image
Nothing which consists of corporeal matter is absolutely light, but that is comparatively lighter which is rarer, either by its own nature,… — Johannes Kepler Copy Share Image
If the moon and earth were not retained in their orbits by their animal force or some other equivalent, the earth would mount to… — Johannes Kepler Copy Share Image
If God himself has waited six thousand years for someone to contemplate his works, my book can wait for a hundred. — Johannes Kepler Copy Share Image
...Those laws are within the grasp of the human mind. God wanted us to recognize them by creating us after his own image so… — Johannes Kepler Copy Share Image
Just as the eye was made to see colours, and the ear to hear sounds, so the human mind was made to understand, not… — Johannes Kepler Copy Share Image
I had the intention of becoming a theologian...but now I see how God is, by my endeavors, also glorified in astronomy, for 'the heavens… — Johannes Kepler Copy Share Image
[Quantity is the fundamental feature of things,] the 'primarium accidens substantiae,' ...prior to the other categories. — Johannes Kepler Copy Share Image
Repudiating the sensible world, which he neither sees himself nor believes from those who have, the Peripatetic joins combat by childish quibbling in a… — Johannes Kepler Copy Share Image
If the earth were not round, heavy bodies would not tend from every side in a straight line towards the center of the earth,… — Johannes Kepler Copy Share Image
Wherever there are qualities there are likewise quantities, but not always vice versa. — Johannes Kepler Copy Share Image
The soul of the newly born baby is marked for life by the pattern of the stars at the moment it comes into the… — Johannes Kepler Copy Share Image
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