Jeremiah
Jeremiah 42:5ESV·traditional attribution

Then they said to Jeremiah, “May the LORD be a true and faithful witness against us if we do not act according to all the word with which the LORD your God sends you to us.

John Calvin Reformed @genevareformer

It hence appears that the people understood for what purpose Jeremiah, before he consulted God, assured them of his faithfulness and sincerity; for it was not without reason that they promised to be obedient to God; but as they saw that they were suspected as being not sincere by Jeremiah, and as he had promised to be a true and faithful teacher, they on the...

Matthew Henry Presbyterian @wholebiblehenry

We have reason to wonder how Jeremiah the prophet escaped the sword of Ishmael; it seems he did escape, and it was not the first time that the Lord hid him. It is strange also that in these violent turns he was not consulted before now, and his advice asked and taken. But it should seem as if they knew not that a prophet was among them.

Commenting on Jeremiah 42:1-6

John Gill Reformed Baptist @doctorgill

Then they said to Jeremiah, the Lord be a true and faithful witness between us,.... Which is the form of an oath; a solemn appeal to God, as a witness to what they were about to say, and to the sincerity of their hearts in it; who is true to his word, and faithful to his promises and threatenings; and who bears a true and...