Contradiction with Matthew 5:39
This verse teaches to "resist not evil" and turn the other cheek, contrasting with Luke 18:5 where persistence leads to action.
Matthew 5:39: But I say unto you, That ye resist not evil: but whosoever shall smite thee on thy right cheek, turn to him the other also.
Contradiction with Romans 12:19
Advises against seeking vengeance and to leave room for wrath, conflicting with the proactive approach of persistence in Luke 18:5.
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 25:21-22
Encourages feeding and helping your enemy, opposite to the assertive and persistent demand seen in Luke 18:5.
Proverbs 25:21-22: If thine enemy be hungry, give him bread to eat; and if he be thirsty, give him water to drink:
Contradiction with 1 Peter 2:23
Suggests not retaliating or making threats, in contrast to the insistence found in Luke 18:5 leading to resolution.
1 Peter 2:23: Who, when he was reviled, reviled not again; when he suffered, he threatened not; but committed [himself] to him that judgeth righteously: [himself: or, his cause]
Paradox #1
The contradiction in Luke 18:5 could be seen as the idea of persistence leading to getting what one wants, which can be at odds with concepts of fairness and justice. It suggests that nagging or bothering someone enough could result in them giving in, which might not align with the idea of doing the right thing for the right reasons.