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122
Letters concerning
LETTER XV.
ON
ATTRACTION.
THE Diſcoveries which gain'd Sir Iſaac Newton so univerſal a Reputation, relate to the Syſtem of the World, to Light, to Geometrical Infinities; and laſtly to Chronology, with which he us'd to amuſe himself after the Fatigue of his ſeverer Studies.
I will now acquaint you (without Prolixity if poſſible) with the few Things I have been able to comprehend of all theſe ſublime Ideas. With Regard to the Syſtem of our World, Diſputes were a long Time maintain'd, on
the