[135] ‘sapientem nulla re egere, et tamen multis ei rebus opus esse’ Sen. Ep. 9, 14.
[136] ‘[virtus] ipsa pretium sui’ Dial. vii 9, 4; ‘recte factorum verus fructus [est] fecisse’ Clem. i 1, 1; ‘virtutum omnium pretium in ipsis est’ Ep. 81, 20.
[137] ‘sapienti non nocetur a paupertate, non a dolore, non ab aliis tempestatibus vitae; ipse semper in actu est; in effectu tunc maximus, cum illi fortuna se obposuit’ ib. 85, 37.
[138] ‘virtutem nemo unquam deo acceptam rettulit ... iudicium hoc omnium mortalium est, fortunam a deo petendam, a se ipso sumendam esse sapientiam’ Cic. N. D. iii 36, 86 and 88; ‘aequum mi animum ipse parabo’ Hor. Ep. i 18, 112; ‘monstro, quod ipse tibi possis dare’ Juv. Sat. x 363.
[139] See note 129.
[140] ‘Do you seek a reward for a good man greater than doing what is good and just? Does it seem to you so small and worthless a thing to be good and happy?’ Epict. Disc. iii 24, 51 and 52.
[141] ‘What does not make the man himself worse, does not make his life worse either, nor injure him, without or within’ To himself iv 8.
[142] ‘nec summum bonum habebit sinceritatem suam, si aliquid in se viderit dissimile meliori’ Sen. Dial. vii 15, 1; ‘No man is able to make progress when he is wavering between opposite things; but if you have preferred this (one thing) to all things, if you choose to attend to this only, to work out this only, give up everything else’ Epict. Disc. iv 2, 4.
[143] Chrysippus wrote a book περὶ τοῦ ποιὰς εἶναι τὰς ἀρετάς; see Arnim iii 256.