It is quite true that Kepler had some slight knowledge of the existence of what we now know as gravitation.
gravitation then is a property belonging to matter and not to ether.
A man is very seldom hurt at this game, though how he escapes without a broken neck is one of the wonders of gravitation to me.
He may be described as confusing the attraction of gravitation with the attraction of cohesion.
He is overcoming the force of gravitation, which is incessantly pulling him down.
The law of progress is as inevitable as is the law of gravitation.
The great office came to him by the laws of gravitation and character—to him the clean of hand, and brave of heart.
Here is the reason: There is a great force known as gravitation.
Here then is the special characteristic of the magnetic force, which distinguishes it from that of gravitation.
Just as we know of no exceptions to the law of gravitation, so there are no exceptions to the law of death.
gravitation grav·i·ta·tion (grāv'ĭ-tā'shən)
The natural phenomenon of attraction between massive bodies.
The act or process of moving under the influence of this attraction.
A movement toward a source of attraction.
The force, first described mathematically by Isaac Newton, whereby any two objects in the universe are attracted toward each other. Gravitation holds the moon in orbit around the Earth, the planets in orbit around the sun, and the sun in the Milky Way. It also accounts for the fall of objects released near the surface of the Earth. The modern theory of gravitation is the general theory of relativity.