Contradiction with 1 John 4:16
This verse mentions "God is love," contrasting Hebrews 1:9's message of God's justice and ethics with a simpler all-loving nature.
1 John 4:16: And we have known and believed the love that God hath to us. God is love; and he that dwelleth in love dwelleth in God, and God in him.
Contradiction with Matthew 5:44
Instructs believers to love their enemies, which seems to contrast with Hebrews 1:9's notion of hating iniquity.
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 12:19
Advises not to seek revenge and let God handle wrath, while Hebrews 1:9 refers to loving righteousness and hating iniquity.
Romans 12:19: Dearly beloved, avenge not yourselves, but [rather] give place unto wrath: for it is written, Vengeance [is] mine; I will repay, saith the Lord.
Contradiction with 1 Corinthians 13:4-5
Describes love as patient and kind, seemingly contrasting Hebrews 1:9's strong partiality toward righteousness.
1 Corinthians 13:4-5: Charity suffereth long, [and] is kind; charity envieth not; charity vaunteth not itself, is not puffed up, [vaunteth...: or, is not rash]