Note 70 — PREFATORY NOTE.
Reading edition
Humboldt, Cosmos, London, 1851, vol. iii., p. 21. Also, Lange, Geschichte des Materialismus, vol. i., p. 222, where the letters of Descartes are given, showing his despair, and the giving up of his best thoughts and works to preserve peace with the Church. Also, Saisset, Descartes et ses précurseurs, pp. 100, et seq. Also, Jolly, Hist, du Mouvement Intellectuel au XVIe Siècle, vol. i., p. 390