Mark 1:22

Καὶ ἐξεπλήσσοντο ἐπὶ τῇ διδαχῇ αὐτοῦ· ἦν γὰρ διδάσκων αὐτοὺς ὡς ἐξουσίαν ἔχων, καὶ οὐχ ὡς οἱ γραμματεῖς.

And they were astonished at his teaching: for he taught them as one having authority, and not as the scribes.

SYNOPTIC GOSPELS

Luke 4:32

Καὶ ἐξεπλήσσοντο ἐπὶ τῇ διδαχῇ αὐτοῦ· ὅτι ἐν ἐξουσίᾳ ἦν ὁ λόγος αὐτοῦ.