What does the Bible say about how Christians should live?

In Titus 2, Paul emphasizes the importance of living according to sound doctrine, which reflects the teachings of Christ. Believers, as those saved by grace, are encouraged to be guided by biblical principles that align with the truths of the gospel. Living in accordance with sound doctrine impacts every aspect of a believer's life, from their behavior to their interactions with others. The chapter instructs aged men, aged women, young men, and young women on their responsibilities, showcasing that a life guided by the truth of God's Word manifests in righteous living.