Contradiction with Proverbs 24:17
Proverbs advises not to rejoice over the downfall of one's enemy, while Jeremiah 48:17 invites others to mourn for Moab.
Proverbs 24:17: Rejoice not when thine enemy falleth, and let not thine heart be glad when he stumbleth:
Contradiction with Matthew 5:44
Jesus instructs to love and pray for enemies, contrasting with the call in Jeremiah to lament Moab's defeat.
Matthew 5:44: But I say unto you, Love your enemies, bless them that curse you, do good to them that hate you, and pray for them which despitefully use you, and persecute you;
Contradiction with Romans 12:15
Encourages rejoicing with those who rejoice, and weeping with those who weep, contradicting the selective mourning Jeremiah suggests for Moab.
Romans 12:15: Rejoice with them that do rejoice, and weep with them that weep.