Note 248 — C. Third Section.
Elizabeth Sanderson Haldane translation
Leibnitzii De ipsa natura sive de vi insita actionibusque creaturarum (Oper. T. II. P. II.), § 11, p. 55, Principia philosophiæ, § 3-6, 18, pp. 20-22; Principes de la nature et de la grace, § 2, p. 32.