(1) (p. 193). George L. Craik, Bacon and His Writings and Philosophy, 2 vols., London, 1846. Vol. II., p. 121.
(2) (p. 193). From Huxley's address On Descartes's Discourse Touching the Method of Using One's Reason Rightly and of Seeking Scientific Truth.
(3) (p. 195). Rene Descartes, Traite de l'Homme (Cousins's edition. in ii vols.), Paris, 1824. Vol, VI., p. 347.