The Holy Spirit is the ἐπαγγελία of the Father

Luke continued his written account in Acts 1:1-8 (NET): I wrote (ἐποιησάμην, a form of ποιέω) the former account, Theophilus, about all that Jesus began to do (ποιεῖν, another form of ποιέω) and teach (διδάσκειν, a form of διδάσκω) until the day he was taken up to...