but ye shall receive power of the holy ghost which shall come on you. And ye shall be witnesses unto me in Jerusalem, and in all Jewry, and in Samaria, and even unto the world's end."

This Jesus hath God raised up, whereof we all are witnesses.

And we are witnesses of all things which he did in the land of the Jews and at Jerusalem: whom they slew, and hung on tree.

and he was seen many days of them, which came with him from Galilee to Jerusalem which are his witnesses unto the people.

And that repentance, and remission of sins, should be preached in his name among all nations. And must begin at Jerusalem.

And ye shall bear witness also, because ye have been with me from the beginning.

Now come I the third time unto you: "In the mouth of two or three witnesses shall everything stand."

how shall we escape if we despise so great salvation? Which at the first began to be preached of the Lord himself, and afterward was confirmed unto us ward, by them that heard it;

And so

"But when the comforter is come, whom I will send unto you from the father, which is the spirit of truth which proceedeth of the father, he shall testify of me.

"Nevertheless, I tell you the truth: it is expedient for you that I go away. For if I go not away, that comforter will not come unto you. But if I depart, I will send him unto you.

God bearing witness thereto, both with signs and wonders also, and with divers miracles, and gifts of the holy ghost, according to his own will.

Unto which prophets it was declared, that not unto themselves, but unto us, they should minister the things which are now showed unto you, of them which, by the holy ghost sent down from heaven, have preached unto you the things which the angels desire to behold.

Whom

and they were all filled with the holy ghost, and began to speak with other tongues, even as the spirit gave them utterance.

While Peter yet spake these words, the holy ghost fell on all them which heard the preaching.

This spake he of the spirit, which they that believed on him should receive. For the holy ghost was not yet there, because that Jesus was not yet glorified.

General references

When they bring you unto the synagogues, and unto the rulers, and officers, take no thought how or what thing ye shall answer, or what ye shall speak.

And ye are witnesses of these things.