Psalm 137:6 in the World English Bible
Let my tongue stick to the roof of my mouth if I don’t remember you, if I don’t prefer Jerusalem above my chief joy.
Context
5 If I forget thee, O Jerusalem, let my right hand forget her cunning.
6 If I do not remember thee, let my tongue cleave to the roof of my mouth; if I prefer not Jerusalem above my chief joy.
7 Remember, O LORD, the children of Edom in the day of Jerusalem; who said, Rase it, rase it, even to the foundation thereof.