Arguments. A lack of joy. A lack of gentleness. Anxiety. Our thoughts. Followers of Jesus deal with a lot of stuff. Philippians 4:1 - 9 gives us very practical advice about how to live in unity, with gentleness and rejoicing, how to avoid anxiety and what we should focus our thoughts on.
Note that this sermon includes a couple of "brainstorming" questions. The audio may not pick up all of the responses.