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Rh what Purpoe are o many Calculations to tell us what you yourelf don't comprehend?

taught you, may Sir Iaac rejoin, that all Bodies gravitate towards one another in proportion to their Quantity of Matter; that thee central Forces alone, keep the Planets and Comets in their Orbits, and caue them to move in the Proportion before et down. I demontrate to you, that 'tis impoible there hould be any other Caue which keeps the Planets in their Orbits, than that general Phenomenon of Gravity, or heavy Bodies fall on the Earth according to the Proportion demontrated of central Forces; and the Planets finihing their Coure according to thee ame Proportions, in cae there were another Power that acted upon all thoe Bodies, it would either increae their Velocity, or change their Direction. Now not one of thoe Bodies ever has a ingle Degree of Motion or Velocity, or has any Direction but what is demontrated to be the Effect of the tral