Contradiction with 1 Corinthians 5:6
1 Thessalonians 2:19 speaks of boasting in believers at the coming of Jesus, whereas 1 Corinthians 5:6 warns against boasting, suggesting that it is not good.
1 Corinthians 5:6: Your glorying [is] not good. Know ye not that a little leaven leaveneth the whole lump?
Contradiction with Proverbs 27:1
While 1 Thessalonians 2:19 looks forward confidently to a future event (the return of Christ and the joy of meeting believers), Proverbs 27:1 cautions against boasting about the future, as it is uncertain.
Proverbs 27:1: Boast not thyself of to morrow; for thou knowest not what a day may bring forth. [to...: Heb. to morrow day]
Contradiction with James 4:16
1 Thessalonians 2:19 exhibits a positive anticipation of the future, whereas James 4:16 criticizes those who boast about future plans, calling such boasting evil.
James 4:16: But now ye rejoice in your boastings: all such rejoicing is evil.
Contradiction with Jeremiah 9:23
This verse advises against boasting in wisdom, might, or riches. While 1 Thessalonians 2:19 mentions boasting over spiritual matters, Jeremiah emphasizes boasting only in understanding and knowing God.
Jeremiah 9:23: Thus saith the LORD, Let not the wise [man] glory in his wisdom, neither let the mighty [man] glory in his might, let not the rich [man] glory in his riches:
Contradiction with 1 John 2:28
1 Thessalonians 2:19 expresses confidence in joy at Christ's coming, while 1 John 2:28 suggests believers should abide in Christ to avoid shame at His coming.
1 John 2:28: And now, little children, abide in him; that, when he shall appear, we may have confidence, and not be ashamed before him at his coming.