David
Psalm 71:17BSB·traditional attribution

O God, You have taught me from my youth, and to this day I proclaim Your marvelous deeds.

John Calvin Reformed @genevareformer

PSALM 71 ”Although this psalm has no title, it is by general consent ascribed to David, and supposed to have been composed during Absalom’s revolt, as he mentions his old age, and his danger of perishing. It is almost a copy of Psalm 31; and, as the passages in the present psalm, which refer to his advanced age, are wanted in the other, it seems...

Commenting on Psalm 71:1-24

C.H. Spurgeon Reformed Baptist @princeofpreachers

O God, thou hast taught me from my youth. It was comfortable to the psalmist to remember that from his earliest days he had been the Lord's disciple. None are too young to be taught of God, and they make the most proficient scholars who begin betimes. And hitherto have I declared thy wondrous works.

Matthew Henry Presbyterian @wholebiblehenry

David is here in a holy transport of joy and praise, arising from his faith and hope in God; we have both together Psa 71:14, where there is a sudden and remarkable change of his voice; his fears are all silenced, his hopes raised, and his prayers turned into thanksgivings.

Commenting on Psalm 71:14-24