David
Psalm 16:5BSB·traditional attribution

The LORD is my chosen portion and my cup; You have made my lot secure.

John Calvin Reformed @genevareformer

PSALM 16. In the beginning David commends himself to the protection of God. He then meditates upon the benefits which he received from God, and thereby stirs himself up to thanksgiving. By his service, it is true, he could in no respect be profitable to God, but he, notwithstanding, surrenders and devotes himself entirely to him, protesting that he will have nothing to do with superstitions.

Commenting on Psalm 16:1-11

C.H. Spurgeon Reformed Baptist @princeofpreachers

"The Lord is the portion of mine inheritance and of my cup." With what confidence and bounding joy does Jesus turn to Jehovah, whom his soul possessed and delighted in! Content beyond measure with his portion in the Lord his God, he had not a single desire with which to hunt after other gods; his cup was full, and his heart was full too; even...

Matthew Henry Presbyterian @wholebiblehenry

This psalm is entitled Michtam, which some translate a golden psalm, a very precious one, more to be valued by us than gold, yea, than much fine gold, because it speaks so plainly of Christ and his resurrection, who is the true treasure hidden in the field of the Old Testament. I.

Commenting on Psalm 16:1-7