How do we know the importance of virtue and knowledge in a Christian's life?

2 Peter 1:5-8 makes it clear that adding virtue, knowledge, and several other qualities to one’s faith is essential for Christians to avoid being unfruitful. The text teaches that as believers increasingly embody these attributes, they grow more established in their faith, thereby showcasing the divine beauty and strength of their relationship with Christ. This growth is not only a personal endeavor but one that expresses the collective glory of the church as the body of Christ, demonstrating virtue and knowledge in a world that desperately needs it.