God is the eternal King. His greatness, goodness, and faithfulness, flowing from His unchanging character, are so magnificent that they must be proclaimed to every generation by all of creation…
God is deeply Interested in teaching his people a PLEASING way, a FAITHFUL way - to deal with difficulty and discouragement. Psalm 42 teaches us the pleasing and faithful way…
Grumbling, complaining, and discontentment is faithless - it's a sin against God who uses hardships for the benefit of the people He loves.