Morale was low, and many had lost faith in Gabriel.
In1840-1841we have Cours d'histoire de la philosophie morale au XVIII' siecle (5 vols.).
Guyau, La Morale anglaise (1879), E ducation et heredite (1889; Eng.
His chief philosophical works were an edition of the The'odicee of Leibnitz (1874), a monograph on Locke (1878), Devoirs et droits de l'homme (1880), Glissonius utrum Leibnitio de natura substantiae cogitanti quidquam tribuerit (1880)-, De La solidarite morale (4th ed., 1893).
A volume of Essais de morale et de politique introduced him to the notice of Napoleon, who attached him to the staff of the council of state.