'Faithful and True' in the Bible

"Write [this] to the angel of the church at Laodicia: These are the words of the Amen, the faithful and true Witness, the source [or, ruler] of God's creation [See John 1:3; Heb. 1:1-2]:

Then I saw heaven open, and there before me was a white horse whose rider was called "Faithful and True." And He [i.e., Christ] judges and wages war in a just way.