Contradiction with Genesis 1:1
Talks about the beginning of creation, which contrasts with the specific historical context of David's reign.
Genesis 1:1: In the beginning God created the heaven and the earth.
Contradiction with Exodus 20:13
Commands not to kill, while the context of 2 Samuel 2 involves conflict and battles.
Exodus 20:13: Thou shalt not kill.
Contradiction with Matthew 5:44
Instructs to love enemies, contrasting with the hostilities in 2 Samuel 2.
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 against seeking vengeance, which contrasts with the bloodshed in 2 Samuel 2.
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 John 4:8
Describes God as love, contrasting with the turmoil of David's early kingship.
1 John 4:8: He that loveth not knoweth not God; for God is love.