Psalms 51:8 - Joseph Benson’s Commentary on the Old and New Testaments

Make me to hear joy and gladness Send me glad tidings of thy reconciliation to me; and by thy Spirit seal the pardon of my sins on my conscience, which will fill me with joy. That the bones which thou hast broken may rejoice That my heart, which hath been sorely wounded, and terrified by thy dreadful message sent by Nathan, and by the awful sentence of thy law, denounced against such sinners as I am, may be revived and comforted by the manifestation of thy favour to my soul. For he compares the pains and agonies of his mind, arising from the deep sense he had of the aggravated nature of his sins, and of the displeasure of God against him on account of them, to that exquisite torture he must have felt if all his bones had been crushed: “for the original word דכית, dicchita, signifies more than broken; namely, the being entirely mashed. And he compares the joy that God's declaring himself fully reconciled to him would produce in his mind to that inconceivable pleasure which would have arisen from the instantaneous restoring and healing those bones, after they had been thus broken and crushed to pieces.”