[90] Cf. Inquiry, p. 140 ff.
[91] Introduction to Moral Philosophy, translated from the Latin, 2d ed., 1753, p. 43; cf. Essay on the Passions and Affections, &c., p. 128.
[92] System, i. 58.
[93] System, i. 53.
[94] Ibid., i. 59.
[95] System, i. 59.
[96] System, i. 97.
[97] System, i. 93.
[98] System, i. 68 ff. With this may be compared the elaborate classification of motives, according to their moral quality, in Dr Martineau's 'Types of Ethical Theory,' ii. 176 ff.
[99] System, i. 50.