The word of Yahweh that came to Hosea the son of Beeri, in the days of Uzziah, Jotham, Ahaz, and Hezekiah, kings of Judah, and in the days of Jeroboam the son of Joash, king of Israel.
We now, then, perceive why the Prophet here says expressly that he had prophesied under Jeroboam. He indeed prophesied after his death, and followed his office even after the destruction of the kingdom of Israel, but he began to teach at a time when he was a sport to the ungodly, who exalted themselves against God, and boldly despised his threatening as long as he spared and bore with them; which is ever the case, as proved by the constant experience of all ages. We hence see more clearly with what power of the Spirit God had endued the Prophet, who dared to rise up against so powerful a king, and to reprove his wickedness, and also to summon his subjects to the same judgement. When, therefore, the Prophet conducted himself so boldly, at a time when the Israelites were not only sottish on account of their great success, but also wholly insane, it was certainly nothing short of a miracle; and this ought to avail much to establish his authority. We now then, see the design of the inscription contained in the first verse. It follows — 