To the chief Musician, [even] to Jeduthun, A Psalm of David. I said, I will take heed to my ways, that I sin not with my tongue: I will keep my mouth with a bridle, while the wicked is before me.
Jewish Publication Society of America Version (JPS1917) - Psalms 39:1 >(39-1) For the Leader, for Jeduthun. A Psalm of David. (39-2) I said: 'I will take heed to my ways, that I sin not with my tongue; I will keep a curb upon my mouth, while the wicked is before me.'