What does the Bible say about the enemies of the cross of Christ?

In Philippians 3:18-19, Paul weeps as he recounts the fate of those who are enemies of the cross of Christ. They are focused on their own desires, described as 'whose God is their belly,' indicating their worship of physical needs over spiritual truths. This emphasizes the need for believers to be vigilant about their focus and to reject a life aimed at earthly gain, as the ultimate destiny for such individuals is destruction, cut off from God's glory. This stark warning challenges Christians to examine their own lives to ensure that they are not falling into complacency or self-centeredness, but are striving to follow Christ wholeheartedly.