Contradiction with Exodus 20:13
"Thou shalt not kill" contradicts Judges 4:21 where Jael kills Sisera.
Exodus 20:13: Thou shalt not kill.
Contradiction with Matthew 5:44
"Love your enemies" conflicts with Jael's act of killing Sisera in Judges 4:21.
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
"Avenge not yourselves, but rather give place unto wrath" is at odds with Jael's direct act of vengeance in Judges 4:21.
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 Matthew 26:52
"For all they that take the sword shall perish with the sword" contradicts Jael's use of a tent peg as a weapon in Judges 4:21 for violence.
Matthew 26:52: Thinkest thou that I cannot now pray to my Father, and he shall presently give me more than twelve legions of angels?
Contradiction with Hebrews 10:30
"Vengeance belongeth unto me; I will recompense, saith the Lord" suggests leaving retribution to God, which contrasts with Jael's actions in Judges 4:21.
Hebrews 10:30: For we know him that hath said, Vengeance [belongeth] unto me, I will recompense, saith the Lord. And again, The Lord shall judge his people.
Contradiction with Proverbs 25:21-22
Advises to feed and give drink to an enemy, a principle not followed when Jael offers Sisera milk only to kill him afterward in Judges 4:21.
Proverbs 25:21-22: If thine enemy be hungry, give him bread to eat; and if he be thirsty, give him water to drink:
Paradox #1
The potential inconsistency in Judges 4:21 might relate to the method by which Jael kills Sisera, involving a tent peg and a hammer. Scientifically, a question could arise about the physical feasibility and human strength needed to accomplish this act in the described manner. Concerns might be raised about whether the event could realistically happen as detailed. However, such discussions often involve considerations of historical context, literary style, and symbolic meaning as well.
Paradox #2
The contradiction in Judges 4:21 could stem from the act of violence depicted in the story. This act might conflict with the broader moral teachings of love, forgiveness, and non-violence found in other parts of the Bible. People might question how such an action aligns with the idea of a just and compassionate God.