Contradiction with 1 John 3:15
1 John 3:15 talks about anyone who hates his brother being a murderer and not having eternal life, which highlights severity in contrast to 1 Peter 4:8's focus on love covering sins.
1 John 3:15: Whosoever hateth his brother is a murderer: and ye know that no murderer hath eternal life abiding in him.
Contradiction with Proverbs 10:12
While Proverbs 10:12 states that hatred stirs up strife, but love covers all sins, it emphasizes hatred causing issues, indirectly differing by presenting a distinct dual nature of human interaction.
Proverbs 10:12: Hatred stirreth up strifes: but love covereth all sins.
Contradiction with Luke 14:26
Luke 14:26 speaks of hating one's family to be a disciple of Jesus, which contrasts with 1 Peter 4:8's emphasis on having fervent love.
Luke 14:26: If any [man] come to me, and hate not his father, and mother, and wife, and children, and brethren, and sisters, yea, and his own life also, he cannot be my disciple.
Contradiction with Matthew 10:34-36
Jesus mentions bringing a sword instead of peace, implying division which contrasts with the unifying love mentioned in 1 Peter 4:8.
Matthew 10:34-36: Think not that I am come to send peace on earth: I came not to send peace, but a sword.
Contradiction with Jeremiah 17:9
This verse speaks of the heart being deceitful and wicked, which contradicts the potential purity and goodness of love covering sins as in 1 Peter 4:8.
Jeremiah 17:9: The heart [is] deceitful above all [things], and desperately wicked: who can know it?