...e rest, the entire collection of Leibnitz Mss on subjects of politics, mathematics, philosophy, history, divinity, and indeed nearly every branch of human knowledge, in Latin, Greek, English, French, Italian , and German, in prose and poetry, printed and unprinted. They made an enormous mass. . . . . Yet no man ever wrote with more care, no man ever blotted, and altered, and copied more than Leibnitz. ...