The former treatise have I made, O Theophilus, of all that Jesus began both to do and teach,
Berean Study Bible (BSB) - Acts 1:1 >In my first book, O Theophilus, I wrote about all that Jesus began to do and to teach,
Textus Receptus (TR) - Acts 1:1 >Τὸν μὲν πρῶτον λόγον ἐποιησάμην περὶ πάντων, ὦ Θεόφιλε, ὧν ἤρξατο ὁ Ἰησοῦς ποιεῖν τε καὶ διδάσκειν,