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, humans, Jesus, and our response. The game-changing declaration that got Paul laughed off stage was the resurrection of Jesus. The news about the resurrection left others curious enough to want to hear more, some of whom ended up believing the gospel message. That gospel is the same today, as relevant to us as it was to those philosophers, and life-changing good news to any who will believe it.
When our life is off center, the result is dissatisfaction. In Haggai 1:1-11, God calls us to center our lives on him.
Although it is impossible to say what is the best thing about being a Christian, the theme of Galatians 4:1-7 is an excellent candidate...
Although we work for the growth of the kingdom, it grows mysteriously in ways that we cannot understand or control.