'Faithful and True' in the Bible

So he fed them with a faithful and true heart, and ruled them with all the diligence of his power.

For this reason I was appointed to be an announcer, an apostle, and a faithful and true teacher of the gentiles. (I am telling you the truth. I am not lying.)

And unto the angel of the church of the Laodiceans write; These things saith the Amen, the faithful and true witness, the beginning of the creation of God;

And I saw heaven opened, and behold a white horse; and he that sat upon him was called Faithful and True, and in righteousness he doth judge and make war.

And he that sitteth on the throne said, Behold, I make all things new. And he saith, Write: for these words are faithful and true.

And he said unto me, These sayings are faithful and true: and the Lord God of the holy prophets sent his angel to shew unto his servants the things which must shortly be done.