[134] Diog., X., 118.
[135] Lucret., IV., 1057-66.
[136] Diog., X., 117, 118.
[137] Cicero, De Fin., V., xxvii., 80; Diog., X., 118.
[138] That is, if we assume what Aristotle says on the subject to be derived from common usage (Eth. Nic., III., ix., p. 1115, a, 33).
[139] Cicero, Tusc. Disp., II., xii., 28.
[140] Cicero, De Fin., I., xv.; Tusc., V., xxviii.
[141] Diog., X., 150 ff.
[142] Wallace, p. 162; Diog., X., 150.
[143] Epicureanism, pp. 162-3.