The Book of Psalms teaches that God is wise and all-powerful, and that in contrast to this are the freedom and imperfections of men; that is why the sapiential Book begins with the Psalm of the Two Paths, the Almighty rewards the sensible men and punishes fools. The divine providence and the entire historical development of the Bible turn around this spiritual problem.
And Psalm 103, which is partly a song of praise and partly a didactic hymn, reminds the Bible readers of this great spiritual contrast: God is merciful, loving, always ready to forgive, but men with their weaknesses repeatedly fall into error again and again.
This is why the Psalm begins with these words: "Praise the LORD, my soul, and forget not all his benefits—who forgives all your sins and heals all your diseases, who redeems your life from the pit and crowns you with love and compassion" Psalm 103:2-4.
Praising God for his wonders is one of the most excellent things, but it is also important to remember that the Lord does not forget his people and those who fear him with all their heart; that is why the hymn wisely reminds to the devotees of the Bible: "The LORD works righteousness and justice for all the oppressed" Psalm 103:6.
This phrase from the Psalm is a reminder of the salvation accomplished by the prophet Moses. The Hebrews lived oppressed in Egypt, and through God's righteousness and Moses' courage, the chosen people began their journey to the promised land. But it is also a reminder of the work done by the judges, Israel's first aristocracy. When the Israelites forgot their God, then oppression arose from their enemies, and so the Israelites cried out for God's help, and he, in his love and mercy, sent judges who saved them; judges like Samson and Samuel were a great example of this.
Psalm 103 is a reminder of God's glory and how the Lord, with gifts like mercy and love, redeems and saves humanity, especially the humble and oppressed. Knowing and singing Psalm 103 is a way to recognize the love of God and how, through the fear of God, men can be blessed.
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