'Faithful Witness' in the Bible

And from Jesus Christ, who is the faithful witness, and the first begotten of the dead, and the prince of the kings of the earth. Unto him that loved us, and washed us from our sins in his own blood,

I know where thou dwellest, where the throne of Satan is; and thou holdest fast my name, and hast not denied my faith, even in the days in which Antipas my faithful witness was, who was slain among you, where Satan dwells.

"And to the minister of the Church at Laodicea write as follows: "'This is what the Amen says--the true and faithful witness, the Beginning and Lord of God's Creation.