Plato, Laws 902a

οὐκοῦν τὸ λοιπόν, εἴπερ ἀμελοῦσι τῶν σμικρῶν καὶ ὀλίγων τῶν περὶ τὸ πᾶν, ἢ γιγνώσκοντες ὡς τὸ παράπαν οὐδενὸς τῶν τοιούτων ἐπιμελεῖσθαι δεῖ, δρῷεν ἂν τοῦτο, ἢ τί τὸ λοιπὸν πλὴν τῷ γιγνώσκειν τοὐναντίον; οὐδέν. πότερον οὖν, ὦ ἄριστε καὶ βέλτιστε, θῶμέν σε λέγοντα ὡς ἀγνοοῦντάς τε καὶ δέον ἐπιμελεῖσθαι διʼ ἄγνοιαν ἀμελοῦντας, ἢ γιγνώσκοντας ὅτι δεῖ, καθάπερ οἱ φαυλότατοι τῶν ἀνθρώπων λέγονται ποιεῖν, εἰδότες ἄλλα εἶναι βελτίω

Further, if they do neglect the small and scant things of the All, they will do so either because they know that there is no need at all to care for any such things or—well, what other alternative is there except the opposite of knowing? There is none. Shall we then assume, my worthy and excellent sir, that you assert that the gods are ignorant, and that it is through ignorance that they are neglectful when they ought to be showing care,—or that they know indeed what is needful, yet act as the worst of men are said to do, who, though they know that other things are better to do than what they are doing, yet do them not,