88; Syst.soc.i.15, p.
271; Syst.
de la n.
i. 1, p.
3.] Progress, therefore, is natural and necessary, and to criticise or condemn it by appealing to nature is only to divide the house of nature against itself. If d'Holbach had pressed his logic further, he would have taken a more indulgent and calmer view of the past history of mankind.