¹⁶ἀπεκρίθη οὖν αὐτοῖς ὁ Ἰησοῦς καὶ εἶπεν· Ἡ ἐμὴ διδαχὴ οὐκ ἔστιν ἐμὴ ἀλλὰ τοῦ πέμψαντός με· ¹⁷ἐάν τις θέλῃ τὸ θέλημα αὐτοῦ ποιεῖν, γνώσεται περὶ τῆς διδαχῆς πότερον ἐκ τοῦ θεοῦ ἐστιν ἢ ἐγὼ ἀπʼ ἐμαυτοῦ λαλῶ.

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John 7:17: If anyone’s will is to do God’s will, he will know whether the teaching is from God or whether I am speaking on my own authority.