PERVENIRI AD SUMMUM NISI EX PRINCIPIIS NON POTEST

(*From the Latin of Vincent Bourne*.)Newton, the light of each succeeding age, First learned his letters from a female sage. But thus far taught—the alphabet once learn'd— To loftier use those elements he turn'd. Forced th' unconscious signs, by process rare, Known quantities with unknown to compare; And, by their aid, profound deductions drew From depths of truth his teacher never knew. Yet the true authoress of all was she!— Newton's Principia were his a, b, c.