[155]. Rep. 370A-C and many other passages. Cf. infra; Laws 846E-847A. Cf. infra on the unfair interpretation of Rep. 421A by Zeller and others. Plato implies by the passage merely that specialization is more important for the statesman than for the cobbler (421C).

[156]. Rep. 369C. Adam Smith makes this the basal fact of exchange (Wealth of Nations, I, ii).

[157]. Rep. 370C: πλείω τε ἕκαστα γίγνεται καὶ κάλλιον καὶ ρᾷον, ὅταν ἑἶς ἓν κατὰ φύσιν, καὶ ἐν καιρῷ σχολὴν τῶν ἄλλων ἄγων, πράττῃ. He first states the principle less plausibly as a literary device, Rep. 369C; cf. 433A.

[158]. Rep. 370C, B.

[159]. Op. cit., I, chap. ii.

[160]. So Herbert Spencer, Principles of Sociology (1900), III, 342-49. Cf. also Ruskin, Fors Clav., IV, 15 (Vol. XXVIII, 160).

[161]. Rep. 370B-C, 374B-E.

[162]. Op. cit., I, chap. 1. Plato implies the increase in wealth. Haney (op. cit., p. 41) observes that Plato thought especially of the advantages of division of labor to the state, rather than to the individual. Cf. further Wealth of Nations, II, Intro.

[163]. Rep. 370C-371B; cf. DuBois, op. cit., p. 37.

[164]. Rep. 370C-D.