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Evidence and Response

Peter gives reasons to trust the risen Jesus, then calls his hearers to respond. Ask what you believe about Him and how that belief is shaping today.

Sermon companion study3 min read

Know why you believe

Why do you believe in Jesus? It is a good question, even if you have followed Him for years. Faith deserves more than an answer repeated because it is familiar. Acts 2 helps us consider both the reasons for belief and the response those reasons call for. Peter tells the crowd about the risen Lord. Those who receive the message ask what to do. We need that same willingness to think, listen, and act. Confidence in Jesus should have substance and should make a difference in our lives.

Peter begins with the mighty works of Jesus, which his hearers knew about (Acts 2:22). He announces that God raised Him, and the apostles bear witness. David's words in Psalm 16 point beyond David, whose tomb remained among them, to the Christ who would not remain in death. Acts 2:33 adds the Spirit's outpouring as evidence of Jesus' exaltation. Peter gives them reasons to recognize who Jesus is. We should take time to understand those reasons and be prepared to share them with someone who is searching.

Let the message reach your heart

In Acts 2:36, Peter declares that God has made the crucified Jesus both Lord and Christ. Those words make a claim on the hearers. He is God's promised anointed One, and He has authority. We cannot receive Him only as a source of comfort while refusing His right to direct us. Ask what His lordship means for a decision you are facing. Does His word guide what you choose, or do you acknowledge Him and then proceed as though the decision belonged entirely to you?

The hearers are pierced to the heart and ask what they should do. Peter tells them to repent and be baptized in Jesus Christ's name for the forgiveness of sins (Acts 2:37–38). Those who receive the word are baptized. Their faith becomes a willing response. Romans 6:1–4 helps us appreciate the new life involved: dying to sin and walking in newness of life. Obedience does not purchase what Christ has provided. It expresses trust in the Lord whose word we are receiving.

Keep responding after the beginning

Acts 2:42–47 shows what follows. The disciples devote themselves to the apostles' teaching, fellowship, the breaking of bread, and prayer. They respond to needs and share life together. The gospel is shaping more than a moment in their past. It is giving them a continuing way to live. We need that picture too. The same faith that brings us to Jesus should keep leading us to learn, worship, give, and care. Personal hospitality and attention to fellow believers can become ordinary expressions of that shared conviction.

So ask both questions: Why do I believe, and how am I responding? Review the evidence when your confidence needs strength. Give it thoughtful attention so you can help someone else understand. Then examine the choices that have remained untouched by Jesus' authority. There may be something to confess, someone to serve, or a habit to change. A faithful beginning matters, and today's response matters too. Let the truth about the risen Lord keep reaching your mind, your heart, and the life you are living now.

Reflect and Respond

  1. Which part of Peter's message could help me explain why I trust Jesus?
  2. Where does today's conduct need to agree more fully with His authority?

Keep Studying

Read the passages, listen to chapter devotionals, and explore related studies in the library.

Scripture for this study: Acts 2:22–47; Psalm 16:8–11; 1 Corinthians 15:3–8; Romans 6:1–4