In a 2000 sermon, John Piper draws out six truths from 1 Peter 2:9-17 about how Christians should be involved in society and culture.
1. We were once all in darkness, along with the whole world.
Notice the phrase near the end of verse 9: "Him who has called you out of darkness." We were once in darkness. The darkness of sin and unbelief and ignorance about God and his ways. It was the darkness of deadness in sin, as Paul says in Ephesians 2:5. This is the condition of our culture and our society. And we were once a part of it by nature. Why are we no longer?
2. God called us out of darkness into his marvelous light.
This truth comes from the same phrase in verse 9: "Him wh…