Acts 22:15

For you will be His witness to all men testifying of what you have seen and heard.

Acts 23:11

On the following night the Lord stood near Paul and said, “Be brave; for as you have solemnly and faithfully witnessed about Me at Jerusalem, so you must also testify at Rome.”

Acts 4:20

for we, on our part, cannot stop telling [people] about what we have seen and heard.”

Luke 24:47-48

and that repentance [necessary] for forgiveness of sins would be preached in His name to all the nations, beginning from Jerusalem.

John 15:27

But you will testify also and be My witnesses, because you have been with Me from the beginning.

Acts 1:8

But you will receive power and ability when the Holy Spirit comes upon you; and you will be My witnesses [to tell people about Me] both in Jerusalem and in all Judea, and Samaria, and even to the ends of the earth.”

Acts 1:22

beginning with the baptism by John [at the outset of Jesus’ ministry] until the day when He was taken up from us—one of these men must become a witness with us [to testify] of His resurrection.”

Acts 10:39-41

We are [personally] eyewitnesses of everything that He did both in the land of the Jews and in Jerusalem [in particular]. They also put Him to death by hanging Him on a cross;

Acts 22:14

And he said, ‘The God of our fathers has appointed you to know His will, [and to progressively understand His plan with clarity and power] and to see the Righteous One [Jesus Christ, the Messiah] and to hear a message from His [own] mouth.

Acts 26:16-18

Get up and stand on your feet. I have appeared to you for this purpose, to appoint you [to serve] as a minister and as a witness [to testify, with authority,] not only to the things which you have seen, but also to the things in which I will appear to you,

Acts 26:20

but I openly proclaimed first to those at Damascus, then at Jerusalem and throughout the region of Judea, and even to the Gentiles, that they should repent [change their inner self—their old way of thinking] and turn to God, doing deeds and living lives which are consistent with repentance.

Acts 27:24

and said, ‘Stop being afraid, Paul. You must stand before Caesar; and behold, God has given you [the lives of] all those who are sailing with you.’

Treasury of Scripture Knowledge

Summary

For thou shalt be his witness unto all men of what thou hast seen and heard.

General references

Bible References

Thou shalt

Acts 1:8
But you will receive power and ability when the Holy Spirit comes upon you; and you will be My witnesses [to tell people about Me] both in Jerusalem and in all Judea, and Samaria, and even to the ends of the earth.”
Acts 10:39
We are [personally] eyewitnesses of everything that He did both in the land of the Jews and in Jerusalem [in particular]. They also put Him to death by hanging Him on a cross;
Acts 23:11
On the following night the Lord stood near Paul and said, “Be brave; for as you have solemnly and faithfully witnessed about Me at Jerusalem, so you must also testify at Rome.”
Acts 26:16
Get up and stand on your feet. I have appeared to you for this purpose, to appoint you [to serve] as a minister and as a witness [to testify, with authority,] not only to the things which you have seen, but also to the things in which I will appear to you,
Acts 27:24
and said, ‘Stop being afraid, Paul. You must stand before Caesar; and behold, God has given you [the lives of] all those who are sailing with you.’
Luke 24:47
and that repentance [necessary] for forgiveness of sins would be preached in His name to all the nations, beginning from Jerusalem.
John 15:27
But you will testify also and be My witnesses, because you have been with Me from the beginning.

Of

Acts 4:20
for we, on our part, cannot stop telling [people] about what we have seen and heard.”
Acts 26:20
but I openly proclaimed first to those at Damascus, then at Jerusalem and throughout the region of Judea, and even to the Gentiles, that they should repent [change their inner self—their old way of thinking] and turn to God, doing deeds and living lives which are consistent with repentance.

General references

Luke 24:48
You are witnesses of these things.