Acts 22:15

for thou shalt be a witness for him to all men of what thou hast seen and heard.

Acts 23:11

And the night following, the Lord stood by him, and said, Be of good courage; for as thou hast borne witness concerning me in Jerusalem, so must thou bear witness also at Rome.

Acts 4:20

For we cannot but speak the things which we saw and heard.

Luke 24:47-48

and that repentance for the remission of sins should be preached in his name among all the nations, beginning at Jerusalem.

John 15:27

And ye also are witnesses, because ye have been with me from the beginning.

Acts 1:8

But ye will receive power when the Holy Spirit hath come upon you; and ye will be my witnesses, both in Jerusalem and in all Judaea, and in Samaria, and to the end of the earth.

Acts 1:22

from the baptism of John until the day when he was taken up from us, must one be made a witness with us of his resurrection.

Acts 10:39-41

And we are witnesses of all things which he did both in the country of the Jews and in Jerusalem; whom they also slew by hanging him on a cross.

Acts 22:14

And he said, The God of our fathers chose thee to know his will, and to see the Righteous One, and to hear a voice from his mouth;

Acts 26:16-18

But arise and stand upon thy feet; for I have appeared to thee for this purpose, to prepare thee as a minister and a witness both of the things which thou sawest, and of those on account of which I will appear to thee;

Acts 26:20

but first to those in Damascus, and Jerusalem, and to all the country of Judaea, and then to the gentiles, I proclaimed that they should repent and turn to God, doing works worthy of repentance.

Acts 27:24

saying, Fear not, Paul! Thou must stand before Caesar; and lo, God hath given thee all those that sail with thee.

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 ye will receive power when the Holy Spirit hath come upon you; and ye will be my witnesses, both in Jerusalem and in all Judaea, and in Samaria, and to the end of the earth.
Acts 10:39
And we are witnesses of all things which he did both in the country of the Jews and in Jerusalem; whom they also slew by hanging him on a cross.
Acts 23:11
And the night following, the Lord stood by him, and said, Be of good courage; for as thou hast borne witness concerning me in Jerusalem, so must thou bear witness also at Rome.
Acts 26:16
But arise and stand upon thy feet; for I have appeared to thee for this purpose, to prepare thee as a minister and a witness both of the things which thou sawest, and of those on account of which I will appear to thee;
Acts 27:24
saying, Fear not, Paul! Thou must stand before Caesar; and lo, God hath given thee all those that sail with thee.
Luke 24:47
and that repentance for the remission of sins should be preached in his name among all the nations, beginning at Jerusalem.
John 15:27
And ye also are witnesses, because ye have been with me from the beginning.

Of

Acts 4:20
For we cannot but speak the things which we saw and heard.
Acts 26:20
but first to those in Damascus, and Jerusalem, and to all the country of Judaea, and then to the gentiles, I proclaimed that they should repent and turn to God, doing works worthy of repentance.

General references

Luke 24:48
Ye are witnesses of these things.