In Revelation 21:5 it is written:
And He who sits on the throne said, "Behold, I am making all things new." And He *said, "Write, for these words are faithful and true."
In Revelation 22:6 it is written:
And he said to me, "These words are faithful and true"; and the Lord, the God of the spirits of the prophets, sent His angel to show to His bond-servants the things which must soon take place.
Where else is the phrase "faithful and true" found?
Then they said to Jeremiah, "May the LORD be a true and faithful witness against us if we do not act in accordance with the whole message with which the LORD your God will send you to us.
Who are "they" that the verse speaks of? Jeremiah 42:1-2 tells us.
Then all the commanders of the forces, Johanan the son of Kareah, Jezaniah the son of Hoshaiah, and all the people both small and great... all this remnant...