Contradiction with Proverbs 19:11
A person's discretion makes them slow to anger, contrasting with the anger seen in the elder son of Luke 15:28.
Proverbs 19:11: The discretion of a man deferreth his anger; and [it is] his glory to pass over a transgression. [discretion: or, prudence]
Contradiction with Ephesians 4:26
Advises to not let the sun go down on anger, whereas the elder son remains angry and does not immediately reconcile.
Ephesians 4:26: Be ye angry, and sin not: let not the sun go down upon your wrath:
Contradiction with James 1:20
Human anger does not produce righteousness, while the elder son's anger could be seen as unjust.
James 1:20: For the wrath of man worketh not the righteousness of God.
Contradiction with Ecclesiastes 7:9
Warns against being quick to anger, yet the elder son is portrayed as angry quickly upon his brother's return.
Ecclesiastes 7:9: Be not hasty in thy spirit to be angry: for anger resteth in the bosom of fools.
Contradiction with Colossians 3:13
Instructs believers to forgive as the Lord forgave, but the elder son struggles to forgive his brother.
Colossians 3:13: Forbearing one another, and forgiving one another, if any man have a quarrel against any: even as Christ forgave you, so also [do] ye. [quarrel: or, complaint]
Paradox #1
The moral conflict in this situation could be about fairness versus forgiveness. One could feel it's unfair that someone who didn't follow the rules is welcomed back and celebrated, while others who were obedient all along receive less recognition. This could highlight tension between the values of justice and mercy.