We need to be on guard against dissipating our energy, becoming over-immersed in activity and busyness to the point of losing overall effectiveness.
Our outward works show what we believe, what we worship, and what we aspire to become. Apart from God, all human works activities are potentially destructive.
Few human faults can hinder Christian overcoming like self-indulgence. If we can learn to control our desires, we are a long way toward living a godly life.
Joy is more than just happiness. There is a joy that God gives, through the action of His Spirit in us, that far exceeds mere human cheerfulness.
Habakkuk learns to look, watch, wait, then respond, realizing that God is sovereign and will rectify all the injustices in His own time.