King James Version (KJV) - Psalms 137:6 >

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.

Jewish Publication Society of America Version (JPS1917) - Psalms 137:6 >

Let my tongue cleave to the roof of my mouth, if I remember thee not; if I set not Jerusalem above my chiefest joy.