Verse 2
The Hebrew tongue; which was their native tongue.

Verse 3
At the feet of Gamaliel; under the instruction of Gamaliel.

Verse 4
This way; those believing in this way; that is, the Christians.

Verse 9
Heard not the voice; understood it not. That they did hear the sound, is stated in the original account of the transaction. (Acts 9:7.)

Verse 12
According to the law; the Jewish law.

Verse 14
That Just One; Jesus.

Verse 16
Wash away thy sins. The water used in baptism has, of course, no actual efficacy in removing sin; and yet baptism is something more than a mere ceremony. Considered as an act by which the soul publicly acknowledges God, and becomes committed to his service, it has a powerful influence in promoting inward purification.

Verse 22
They gave him audience; they listened to him.--Unto this word; his speaking of the Gentiles as the objects of God's favorable regard.

Verse 24
Examined by scourging; a common mode of extorting confessions in those days, though forbidden in the case of Roman citizens.

Verse 28
This freedom; the privileges of Roman citizen.--Free-born; born in a city, Tarsus, upon which, perhaps, as a city, these privileges had been conferred; or else entitled to them personally through his parents.