There is somewhat very singular in this relation of Jeremiah's freedom. Surely the boldness, and faithfulness of the Prophet, must have been very galling to the king and his people. But God's fear was upon them. Do my Prophets no harm! Psalms 105:15.
Related Commentaries of Jeremiah 37:4
Jeremiah 37:4
4 Now Jeremiah came in and went out among the people: for they had not put him into prison.