“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. my mouth: Heb. a bridle, or, muzzle for my mouth”
This was one of the chief singers, 1 Chron. 16:41 . Albeit he had appointed with himself patiently to have tarried God’s leisure, yet the vehemency of his pain caused him to break his purpose.