"Leibniz asserted that Newton’s theory of gravity requires a constant miracle 
of bodies acting on one another at a
distance through the void of space. Clarke replied that gravity can be 
non-mechanical, but still a natural phenomenon:
“But the means by which two bodies attract each other, may be invisible and 
intangible, and of a different nature from mechanism;
and yet, acting regularly and constantly, may well be called natural.” Leibniz 
then accused Newton of making gravity 
a “Scholastic occult quality”. "

Newton apparently believed that the force  of gravity was continually being 
calculated as 
suggested above to follow the law he had discovered. Thus gravity acted on 
bodies in a mechanical 
fashion which Leibniz referred to as being continually "occult" or 

Leibniz, on the other hand, had a more geometrical concept that, being 
foresaw Einstein's geometrical concept of gravity. In Einstein's theory, the 
masses of bodies
cause the space around them to curve, so as to provide particular arcs of 
flighty, such as that
of planets revolving around the sun. He may thus have been so influenced by 
Keplar, who 
explored the geometrical properties of planetary motion.  

Dr. Roger B Clough NIST (ret.) [1/1/2000]
See my Leibniz site at

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