Jeremiah, known as the "weeping prophet," warns Judah of Babylonian invasion due to their corruption and idolatry. He urges them to repent, but they refuse, leading to the fall of Jerusalem. Despite suffering imprisonment and persecution, Jeremiah remains faithful. He also delivers messages of hope, foretelling a new covenant where divine laws will be written on people's hearts. The book highlights the tension between divine justice and mercy. Even in judgment, there is the promise of future restoration. Jeremiah’s life illustrates the struggles of a prophet speaking truth to power.