Pastor Al Barth preached from John 4:1-30 about Jesus’ encounter one hot day with a foreign woman who had a checkered past. As it turns out, we have much in common with that woman and the same need for what Jesus had to offer her.
Jesus' power over the forces of evil demonstrated that the kingdom of God had come.
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...
God used the sinful actions of humans to fulfill his will to provide the innocent one to take the place of the guilty.