As this is the only Life of Sir Isaac Newton on any considerable scale that has yet appeared, I have experienced great difficulty in preparing it for the public. The materials collected by preceding biographers were extremely scanty the particulars of his early life, and even the historical details of his discoveries, have been less perfectly preserved than those of his illustrious pred rs; and it is not creditable to his disciples that 9537 have allowed a whole century to elapse withgfiir't any suitable record of the life and labours ofl'a _master who united every claim to their afl'ection'and gratitude.
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