How do we know that Christian admonitions in Titus 2 are important?

The Apostle Paul begins his instructions in Titus with sound doctrine, indicating that spiritual life originates from understanding and applying biblical truths. The behavior of Christians is a testimony of their faith; thus, teaching how to conduct oneself in the home, workplace, and society is crucial. Paul's emphasis on doctrine and personal conduct serves to remind believers that their faith must significantly influence their daily lives, demonstrating God's grace and purpose through their actions.