The remnants of Israel who returned from exile have let their priorities become self-centered when they should have been focused on God, so Haggai encourages the people to continue rebuilding the temple.
In this chapter, Solomon remembers that God is trustworthy in all seasons of life. We are urged to look to Him in seasons of difficulty and joy and to live wisely.
Having more of anything – wealth, control, or power – fails to satisfy. Solomon points to the only thing that can bring true satisfaction: enjoying God and trusting Him with every aspect of life.