And he was there when … - These words are altered by some to “and it came to pass when” etc., and taken to form the opening of Jeremiah 39.
Matthew Henry
Concise Bible Commentary
Jeremiah was not forward to repeat the warnings, which seemed only to endanger his own life, and to add to the king's guilt, but asked whether he feared to do the will of God. The less men fear God, the more they fear men; often they dare not act according to their own judgments and consciences.