PS 71 David wrote this psalm in his old age, of which the former part is prayer, ver. 1-13. The latter part, joyful praise and thanksgiving, ver. 14-24.

7. A wonder - For my many and sore calamities.

15. The numbers - Of thy salvations and mercies vouchsafed to me.

16. Make mention - To support and comfort myself with the remembrance of it. Righteousness - Of thy faithfulness in making good all thy promises.

19. Very high - Most eminent.