Contradiction with John 3:16
Ephesians 1:14 speaks of the guarantee of our inheritance; John 3:16 focuses on belief for eternal life, implying a present possession rather than a future guarantee.
John 3:16: For God so loved the world, that he gave his only begotten Son, that whosoever believeth in him should not perish, but have everlasting life.
Contradiction with James 2:17
Ephesians 1:14 emphasizes a sealed promise; James highlights the need for works to demonstrate faith, implying conditions.
James 2:17: Even so faith, if it hath not works, is dead, being alone. [alone: Gr. by itself]
Contradiction with Romans 8:24
Ephesians 1:14 speaks of a guaranteed inheritance; Romans 8:24 speaks of hope, which is unseen, implying a lack of guarantee.
Romans 8:24: For we are saved by hope: but hope that is seen is not hope: for what a man seeth, why doth he yet hope for?
Contradiction with 1 Corinthians 10:12
Ephesians 1:14 assures a promise; this verse warns of falling, suggesting the promise may not be secure.
1 Corinthians 10:12: Wherefore let him that thinketh he standeth take heed lest he fall.
Contradiction with Hebrews 6:4-6
Ephesians 1:14 affirms secure inheritance; these verses discuss falling away, implying loss of salvation.
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 Galatians 5:4
Ephesians 1:14 speaks of a secure promise; Galatians implies falling from grace and loss of benefits.
Galatians 5:4: Christ is become of no effect unto you, whosoever of you are justified by the law; ye are fallen from grace.
Contradiction with Matthew 7:21
Ephesians 1:14 guarantees inheritance; Matthew suggests inability to enter the kingdom without doing God's will, implying conditions.
Matthew 7:21: 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 2 Peter 2:20-21
Ephesians 1:14 indicates secured inheritance; these verses imply a worse state for those who turn away after knowing the truth.
2 Peter 2:20-21: For if after they have escaped the pollutions of the world through the knowledge of the Lord and Saviour Jesus Christ, they are again entangled therein, and overcome, the latter end is worse with them than the beginning.