David
Psalm 25:14ESV·traditional attribution

The friendship of the LORD is for those who fear him, and he makes known to them his covenant.

John Calvin Reformed @genevareformer

PSALM 25. This psalm consists of meditations mingled with prayers. Being rudely treated, and grievously distressed, by the cruelty of his enemies, David, in order to obtain assistance from God, first acknowledges that God had justly made use of this as a means of chastising and punishing him for his sins; and, therefore, he prays for their forgiveness, that he may at once enjoy assurance...

Commenting on Psalm 25:1-22

C.H. Spurgeon Reformed Baptist @princeofpreachers

The secret of the Lord is with them that fear him. Some read it "the friendship:" it signifies familiar intercourse, confidential intimacy, and select fellowship. This is a great secret. Carnal minds cannot guess what is intended by it, and even believers cannot explain it in words, for it must be felt to be known.

Matthew Henry Presbyterian @wholebiblehenry

God's promises are here mixed with David's prayers. Many petitions there were in the former part of the psalm, and many we shall find in the latter; and here, in the middle of the psalm, he meditates upon the promises, and by a lively faith sucks and is satisfied from these breasts of consolation; for the promises of God are not only the best foundation...

Commenting on Psalm 25:8-14