Psalms 40:7-9

⁷Then said I, Lo, I am come; In the roll of the book it is written of me:

⁸I delight to do thy will, O my God; Yea, thy law is within my heart.

⁹I have proclaimed glad tidings of righteousness in the great assembly; Lo, I will not refrain my lips, O Jehovah, thou knowest.