But you will have power, when the Holy Spirit has come on you; and you will be my witnesses in Jerusalem and all Judaea and Samaria, and to the ends of the earth.

This Jesus God has given back to life, of which we all are witnesses.

And we are witnesses of all the things which he did in the country of the Jews and in Jerusalem; whom they put to death, hanging him on a tree.

And for a number of days he was seen by those who came with him from Galilee to Jerusalem, who are now his witnesses before the people.

And that teaching about a change of heart and forgiveness of sins is to be given to Jerusalem first and to all nations in his name.

And you, in addition, will give witness because you have been with me from the first.

This is the third time that I am coming to you. From the mouth of two or three witnesses will every word be made certain.

What will come on us, if we do not give our minds to such a great salvation? a salvation of which our fathers first had knowledge through the words of the Lord, and which was made certain to us by those to whom his words came;

And so

When the Helper comes, whom I will send to you from the Father even the Spirit of true knowledge who comes from the Father--he will give witness about me;

But what I am saying is true: my going is for your good: for if I do not go away, the Helper will not come to you; but if I go, I will send him to you.

And God was a witness with them, by signs and wonders, and by more than natural powers, and by his distribution of the Holy Spirit at his pleasure.

And it was made clear to those prophets that they were God's servants not for themselves but for you, to give you word of the things which have now come to your ears from the preachers of the good news through the Holy Spirit sent down from heaven; things which even angels have a desire to see.

Whom

And they were all full of the Holy Spirit, and were talking in different languages, as the Spirit gave them power.

While Peter was saying these words, the Holy Spirit came on all those who were hearing the word.

This he said of the Spirit which would be given to those who had faith in him: the Spirit had not been given then, because the glory of Jesus was still to come.

General references

And when they take you before the Synagogues and the authorities and the rulers, take no thought about what answers you will give, or what you will say:

You are witnesses of these things.