The model described in Colossians 4:2-6 of ministry to those outside the church is very simple: pray, walk, and talk.
When our life is off center, the result is dissatisfaction. In Haggai 1:1-11, God calls us to center our lives on him.
In Acts 17:24-34 we get to hear a sermon that Paul preached to philosophers in Athens. He presented to them biblical truths about God,...