Hosea 7:3 describes the wickedness of the people of Israel, comparing their actions to a heated oven that burns all night but goes out by morning. This imagery illustrates the continuous nature of their sinful behavior and the eventual consequences that will come upon them. The verse serves as a warning against persistent rebellion and unrepentant hearts, emphasizing the importance of turning back to God before it is too late. It highlights the destructive nature of sin and the need for genuine repentance to avoid the judgment of God.