Contradiction with Proverbs 26:2
This verse suggests that a curse without cause does not come to rest, unlike Numbers 23:25 which implies that cursing can be attempted by humans.
Proverbs 26:2: As the bird by wandering, as the swallow by flying, so the curse causeless shall not come.
Contradiction with James 3:10
This verse contradicts Numbers 23:25 by stating that blessing and cursing should not come from the same mouth.
James 3:10: Out of the same mouth proceedeth blessing and cursing. My brethren, these things ought not so to be.
Contradiction with Romans 12:14
Romans advises blessing instead of cursing, opposing the bid to still curse in Numbers 23:25.
Romans 12:14: Bless them which persecute you: bless, and curse not.
Contradiction with Matthew 5:44
This verse teaches to love enemies and pray for those who persecute, unlike Numbers 23:25's intent on cursing.
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 1 Peter 3:9
It encourages not to return evil for evil or insult for insult but to bless, contrasting with the intent to curse in Numbers 23:25.
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.