Psalm 119:106 in the King James Version
I have sworn, and I will perform it, that I will keep thy righteous judgments.
Context
105 Your word is a lamp to my feet, and a light for my path.
106 I have sworn, and have confirmed it, that I will obey your righteous ordinances.
107 I am afflicted very much. Revive me, LORD, according to your word.