NET
6 May my tongue stick to the roof of my mouth, if I do not remember you, and do not give Jerusalem priority over whatever gives me the most joy.
Darby
6 If I do not remember thee, let my tongue cleave to my palate: if I prefer not Jerusalem above my chief joy.
KJV
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.