Revelation 1:2

Even as the testimony of Christ was confirmed in you:

And he that saw it bare record, and his record is true: and he knoweth that he saith true, that ye might believe.

Write the things which thou hast seen, and the things which are, and the things which shall be hereafter;

This is the disciple which testifieth of these things, and wrote these things: and we know that his testimony is true.

And the dragon was wroth with the woman, and went to make war with the remnant of her seed, which keep the commandments of God, and have the testimony of Jesus Christ.

I John, who also am your brother, and companion in tribulation, and in the kingdom and patience of Jesus Christ, was in the isle that is called Patmos, for the word of God, and for the testimony of Jesus Christ.

But rise, and stand upon thy feet: for I have appeared unto thee for this purpose, to make thee a minister and a witness both of these things which thou hast seen, and of those things in the which I will appear unto thee;

And when he had opened the fifth seal, I saw under the altar the souls of them that were slain for the word of God, and for the testimony which they held:

For we cannot but speak the things which we have seen and heard.

And I, brethren, when I came to you, came not with excellency of speech or of wisdom, declaring unto you the testimony of God.

The people therefore that was with him when he called Lazarus out of his grave, and raised him from the dead, bare record.

Verily, verily, I say unto thee, We speak that we do know, and testify that we have seen; and ye receive not our witness.

And John bare record, saying, I saw the Spirit descending from heaven like a dove, and it abode upon him.

And they overcame him by the blood of the Lamb, and by the word of their testimony; and they loved not their lives unto the death.

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