1.1–5 : Preface.

1 :

Theophilus (lit. “lover of God” or “loved by God”) was probably a patron who would sponsor the distribution of this book.

2 :

These instructions are summarized in Lk. 24.44–49 .

3 :

Forty days is a general number; see Lk. 4.1–2 .

4 :

On the gift promised (concerning baptism), see Lk. 3.16; Isa. 44.2–5; Ezek. 39.28–29; Joel 2.28–29 .

5 :

In Lk. 3.16 this saying is attributed to John the Baptist.

1.6–14 : Jesus’ ascension.

6 :

All together may imply table-fellowship; compare 10.41 . On the problem of when and how God's sovereignty is realized, see Lk. 7.20–23; 19.11; 21.5–36 .

7 :

Dates or times: see 1 Thess. 5.1 .

8 :

Compare 28.14 n.

12 :

Sabbath day's journey: the travel permitted Jews, about a thousand paces,

13 :

Upstairs (upper) room was a normal meeting place (see 20.8 ), not necessarily to be identified with the locus of the Last Supper.

14 :

Jesus’ brothers are named in Mk. 6.3 . Hitherto they had not been his followers; compare Mk. 3.21 . Group of women: compare Lk. 8.1–3; 23.49 .

1.15–26 : Replacement of Judas.

16 :

Bound to come true: see 2.23 n.

17 :

One of our number: see Lk. 6.12–16 .

18 :

The meaning of fell headlong is uncertain; Papias (an early second-century Christian) took it to mean “became swollen.” According to Matt. 27.5 Judas hanged himself.

20 :

See Pss. 69.25; 109.8 .

23 :

Added name: many Jews bore two names, one Jewish (Joseph), the other Latin or Greek (Justus).