The book of Ruth reminds us of the redemption of God, and how Jesus is our rightful and willing Kinsman-Redeemer.
The book of Ruth reminds us of the love of God, and how God so loved us that He sent His Son to shelter us from His wrath against sin.
The book of Ruth reminds us of the providence of God, and how God has placed us in this time and place to care for the spiritually and physically poor in this world.
The book of Ruth reminds us of the loyalty of God, and how God will not leave His children in despair and tragedy.