The sermon discusses five principles for being effective witnesses based on the book of Acts:
1. Pray constantly for opportunities and God's guidance in witnessing.
2. Show love and fellowship within the church community.
3. Serve and meet the needs of those outside the church to build relationships.
4. Live a transformed life that shows the impact of your faith.
5. Tell others the truth about God's salvation through Christ in a straightforward manner.
The goal is to witness within our own circles of influence and "fish our own ponds" to help others find eternal life through Jesus.