David
Psalm 55:18BSB·traditional attribution

He redeems my soul in peace from the battle waged against me, even though many oppose me.

John Calvin Reformed @genevareformer

18 He hath redeemed my soul into peace Those who read the two preceding verses in the perfect instead of the future tense, are apparently led to this by considering that David here proves his former prayers to have been answered, from the fact of deliverance having been granted. But there is no difficulty involved in adopting the other reading.

C.H. Spurgeon Reformed Baptist @princeofpreachers

He hath delivered my soul in peace from the battle that was against me. The deliverance has come. Joab has routed the rebels. The Lord has justified the cause of his anointed. Faith sees as well as foresees; to her foresight is sight. He is not only safe but serene, delivered in peace—peace in his inmost soul. For there were many with me; many contending against me.

Matthew Henry Presbyterian @wholebiblehenry

In these verses, I. David perseveres in his resolution to call upon God, being well assured that he should not seek him in vain (Psa 55:16): "As for me, let them take what course they please to secure themselves, let violence and strife be their guards, prayer shall be mind; this I have found comfort in, and therefore this will I abide by: I will...

Commenting on Psalm 55:16-23