Jeremiah 31:19 in the King James Version
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.
Context
18 “I have surely heard Ephraim grieving thus, ‘You have chastised me, and I was chastised, as an untrained calf. Turn me, and I will be turned, for you are the LORD my God.
19 Surely after that I was turned. I repented. After that I was instructed. I struck my thigh. I was ashamed, yes, even confounded, because I bore the reproach of my youth.’
20 Is Ephraim my dear son? Is he a darling child? For as often as I speak against him, I still earnestly remember him. Therefore my heart yearns for him. I will surely have mercy on him,” says the LORD.