For forty-five years his [powerful] mind was constantly directed to mathematical research relating principally to astronomy [but because of his] innate craving for perfection [he published little].
Para sa apatnapu't-limang taon ng kanyang [malakas] isip ay patuloy Directed sa matematika pananaliksik na may kaugnayan lalung-lalo na sa astronomy, [pero dahil sa kanyang] katutubo labis na pananabik para sa ganap na ganap [siya nai-publish na kaunti].