What does the Bible say about following good examples?

In 3 John, we are encouraged to follow those who do good, as this is indicative of being of God. The apostle Paul, in Philippians 3:17, directs the church to note those who walk according to his example, as they are following Christ. Good examples provide a reflection of God's grace working in believers, and as such, they are pivotal for spiritual growth within the church. We are reminded to resist the contrary examples represented by those who seek preeminence for themselves, as seen in the person of Diotrephes.