Contradiction with Matthew 7:21-23
These verses challenge the idea that simply having the testimony of being children of God is sufficient for salvation, emphasizing doing the will of the Father instead.
Matthew 7:21-23: Not every one that saith unto me, Lord, Lord, shall enter into the kingdom of heaven; but he that doeth the will of my Father which is in heaven.
Contradiction with 1 Corinthians 10:12
This verse warns believers to be careful not to fall, suggesting the possibility of a false assurance, in contrast to the confident witness of the Spirit in Romans 8:16.
1 Corinthians 10:12: Wherefore let him that thinketh he standeth take heed lest he fall.
Contradiction with Jeremiah 17:9
This verse describes the heart as deceitful, which could contradict the inner assurance described in Romans 8:16.
Jeremiah 17:9: The heart [is] deceitful above all [things], and desperately wicked: who can know it?
Contradiction with Hebrews 6:4-6
These verses discuss the possibility of falling away after having received the knowledge of the truth, suggesting a situation contrary to the secure assurance of sonship in Romans 8:16.
Hebrews 6:4-6: For [it is] impossible for those who were once enlightened, and have tasted of the heavenly gift, and were made partakers of the Holy Ghost,
Contradiction with Proverbs 28:26
This verse warns against trusting one's own heart, which may suggest skepticism about inner assurances similar to those in Romans 8:16.
Proverbs 28:26: He that trusteth in his own heart is a fool: but whoso walketh wisely, he shall be delivered.