Contradiction with John 3:13
No man has ascended to heaven except Jesus, contradicting the vision of Paul being caught up to the third heaven in 2 Corinthians 12:2.
John 3:13: And no man hath ascended up to heaven, but he that came down from heaven, [even] the Son of man which is in heaven.
Contradiction with Ecclesiastes 3:21
Questions where the spirit of man goes, contradicting the certainty of Paul's vision of the third heaven.
Ecclesiastes 3:21: Who knoweth the spirit of man that goeth upward, and the spirit of the beast that goeth downward to the earth? [of man: Heb. of the sons of man] [goeth upward: Heb. is ascending, etc]
Contradiction with Ecclesiastes 9:5
The dead know nothing, questioning Paul's experience of a conscious heavenly vision.
Ecclesiastes 9:5: For the living know that they shall die: but the dead know not any thing, neither have they any more a reward; for the memory of them is forgotten.
Contradiction with 1 Timothy 6:16
God alone is immortal and dwells in unapproachable light, suggesting no one can see heaven, contradicting Paul's vision.
1 Timothy 6:16: Who only hath immortality, dwelling in the light which no man can approach unto; whom no man hath seen, nor can see: to whom [be] honour and power everlasting. Amen.
Contradiction with Proverbs 30:4
Questions the knowledge of heavenly things, suggesting human limitations, contrary to Paul's experience.
Proverbs 30:4: Who hath ascended up into heaven, or descended? who hath gathered the wind in his fists? who hath bound the waters in a garment? who hath established all the ends of the earth? what [is] his name, and what [is] his son's name, if thou canst tell?