Jeremiah
Jeremiah 34:10ESV·traditional attribution

And they obeyed, all the officials and all the people who had entered into the covenant that everyone would set free his slave, male or female, so that they would not be enslaved again. They obeyed and set them free.

John Calvin Reformed @genevareformer

He says, that all the princes and all the people heard, who had come to the covenant, that every one should let his servant free, etc.; and then he adds, And they obeyed The verb שמע, shemo, is to be taken in a twofold sense; at the beginning of the verse it refers to the simple act of hearing, and at the end of the verse, to obedience.

Matthew Henry Presbyterian @wholebiblehenry

We have here another prophecy upon a particular occasion, the history of which we must take notice of, as necessary to give light to the prophecy. I. When Jerusalem was closely besieged by the Chaldean army the princes and people agreed upon a reformation in one instance, and that was concerning their servants. 1.

Commenting on Jeremiah 34:8-22

John Gill Reformed Baptist @doctorgill

Now when all the princes, and all the people, which had entered into the covenant,.... The king had made with the people. Here the princes are mentioned, who were not before, but included in the people; they and the rest of the people are here meant, who having agreed to the covenant, heard that everyone should let his manservant, and everyone his maidservant, go free...