Charles Spurgeon Commentary Jeremiah 31:18-19

"I have surely heard Ephraim bemoaning himself [thus], Thou hast chastised me, and I was chastised, as a calf unaccustomed [to the yoke]: turn thou me, and I shall be turned; for thou art Jehovah my God. Surely after that I was turned, I repented; and after that I was instructed, I smote upon my thigh: I was ashamed, yea, even confounded, because I did bear the reproach of my youth." — Jeremiah 31:18-19 (ASV)

Turn me, and I shall be turned; for you are the LORD my God. Surely after that I was turned, I repented;

Repentance is a turning from sin to the Lord.

You have chastised me, and I was chastised, as a bullock unaccustomed to the yoke: turn me, and I shall be turned; for you are the LORD my God. Surely after I was turned, I repented; and after I was instructed, I smote upon my thigh: I was ashamed, yes, even confounded, because I did bear the reproach of my youth.

Hear what the Lord says about these bemoaning ones, these sin-loathing ones: –