Contradiction with Matthew 6:14-15
While Genesis 50:15 shows the brothers fearing retribution, Matthew 6:14-15 emphasizes forgiveness to receive forgiveness.
Matthew 6:14-15: For if ye forgive men their trespasses, your heavenly Father will also forgive you:
Contradiction with Romans 12:19
Genesis 50:15 indicates fear of Joseph's revenge, but Romans 12:19 advises leaving vengeance to God.
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 Proverbs 24:17-18
Genesis 50:15 suggests apprehension about potential harm, contradicted by Proverbs 24:17-18, which instructs not to rejoice or expect suffering for others.
Proverbs 24:17-18: Rejoice not when thine enemy falleth, and let not thine heart be glad when he stumbleth:
Contradiction with 1 Peter 3:9
Genesis 50:15 reveals worry about retaliation, while 1 Peter 3:9 encourages repaying evil with blessing instead of seeking vengeance.
1 Peter 3:9: Not rendering evil for evil, or railing for railing: but contrariwise blessing; knowing that ye are thereunto called, that ye should inherit a blessing.
Contradiction with Luke 6:27-28
Genesis 50:15 involves fear of retaliation; Luke 6:27-28 teaches loving enemies and doing good to those who wrong you.
Luke 6:27-28: But I say unto you which hear, Love your enemies, do good to them which hate you,