Then I said, “Ah, Lord GOD! Behold, I do not know how to speak, for I am only a youth.”
After having spoken of his call, the Prophet adds, that he at first refused his office, and he states this for two reasons; first, that he might clear himself from every suspicion of rashness, for we know how much ambition prevails among men, according to what James intimates, that many wish to be teachers, (James 3:1) and there is hardly one who is not anxious to be listened to.
Here is, I. Jeremiah's early designation to the work and office of a prophet, which God gives him notice of as a reason for his early application to that business (Jer 1:4, Jer 1:5): The word of the Lord came to him, with a satisfying assurance to himself that it was the word of the Lord and not a delusion; and God told him, 1.
Commenting on Jeremiah 1:4-10
Then said I, Ah, Lord God!.... The word "Ah", or "Ahah", is used in distress and grief, as Kimchi observes; and is expressive of mourning and complaint, as Jarchi notes; and shows that the prophet was troubled and uneasy at his call, and would gladly have been excused on the following account: behold, I cannot speak; or, "I know not how to speak" (r); properly...