Acts 4:20

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

Then I said, I will not make mention of him, nor speak any more in his name. But his word was in mine heart as a burning fire shut up in my bones, and I was weary with forbearing, and I could not stay.

And we are his witnesses of these things; and so is also the Holy Ghost, whom God hath given to them that obey him.

And go, get thee to them of the captivity, unto the children of thy people, and speak unto them, and tell them, Thus saith the Lord GOD; whether they will hear, or whether they will forbear.

And Balaam said unto Balak, Lo, I am come unto thee: have I now any power at all to say any thing? the word that God putteth in my mouth, that shall I speak.

My bowels, my bowels! I am pained at my very heart; my heart maketh a noise in me; I cannot hold my peace, because thou hast heard, O my soul, the sound of the trumpet, the alarm of war.

And killed the Prince of life, whom God hath raised from the dead; whereof we are witnesses.

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

Behold, I have received commandment to bless: and he hath blessed; and I cannot reverse it.

And when Silas and Timotheus were come from Macedonia, Paul was pressed in the spirit, and testified to the Jews that Jesus was Christ.

But truly I am full of power by the spirit of the LORD, and of judgment, and of might, to declare unto Jacob his transgression, and to Israel his sin.

Even as they delivered them unto us, which from the beginning were eyewitnesses, and ministers of the word;

But ye shall receive power, after that the Holy Ghost is come upon you: and ye shall be witnesses unto me both in Jerusalem, and in all Judaea, and in Samaria, and unto the uttermost part of the earth.

But the LORD said unto me, Say not, I am a child: for thou shalt go to all that I shall send thee, and whatsoever I command thee thou shalt speak.

The Spirit of the LORD spake by me, and his word was in my tongue.

Beginning from the baptism of John, unto that same day that he was taken up from us, must one be ordained to be a witness with us of his resurrection.

Therefore I am full of the fury of the LORD; I am weary with holding in: I will pour it out upon the children abroad, and upon the assembly of young men together: for even the husband with the wife shall be taken, the aged with him that is full of days.

And they were all filled with the Holy Ghost, and began to speak with other tongues, as the Spirit gave them utterance.