The Amen.
Revelation 3:14
"The word AMEN solemnly confirms that which went before; and Jesus is the great Confirmer; immutable, for ever is "the Amen" in all His promises.
The words of Jesus shall stand when heaven and earth shall pass away.
Jesus is Amen in all His offices.
He was a Priest to pardon and cleanse once,
He is Amen as Priest still.
He is Amen as to the merit of His blood;..."
Charles Spurgeon