In 2 Thessalonians 2:15, Paul directly counters the false letters and words in v2 by urging them to hold to the authentic apostolic traditions.

Jeremiah 23:25-27 condemns false prophets who dream lies and cause people to forget God — parallel to the deceptive messages Paul warns against.

1 John 4:2 gives the specific test: a spirit confessing Jesus come in the flesh — this counters the false spirits mentioned here.

In 1 John 4:1, believers are commanded to test spirits — providing the means to discern the deceptive spirits warned about here.

2 Peter 2:1 warns of false teachers who secretly introduce destructive heresies — parallel to the deceptive teachings about the Day of the Lord that Paul cautions against.

Ephesians 5:6 echoes the same warning: 'Let no one deceive you with empty words' — directly paralleling Paul's call not to be misled about the Day of the Lord.

Luke 21:9 says 'do not be terrified' at wars and tumults—matching Paul's call not to be shaken by false reports.

Mark 13:7 echoes Jesus' teaching not to be alarmed by wars and rumors—a direct parallel to Paul's warning.

Matthew 24:24 warns false christs and prophets will perform signs to mislead even the elect — directly parallel to the deceptive 'spirit or message' Paul warns about.

In Matthew 24:6, Jesus directly commands not to be alarmed by rumors—the same exhortation Paul gives about false eschatological claims.

Matthew 24:5 specifies that false claimants to Christ will mislead many — a specific deception similar to the one troubling the Thessalonians about the Day of the Lord.

Matthew 24:4 has Jesus directly warning: 'See that no one misleads you' — the same urgent call not to be deceived, which Paul applies to the Thessalonians.

Micah 2:11 describes a false prophet who tells pleasing lies — fitting the false teachings about the Day of the Lord that Paul says should not disturb believers.

Deuteronomy 13:1-5 warns against false prophets who perform signs to lead astray — the same pattern of deception Paul addresses about the Day of the Lord.

Luke 17:24 describes the Son of Man's coming as sudden and visible — directly contradicting the notion that it could have occurred unnoticed.

Ephesians 4:14 warns against being tossed by every wind of doctrine — echoing the call here not to be easily shaken by deceptive teachings.

1 Thessalonians 4:15 teaches the order of the Lord's coming — clarifying that the day has not yet arrived, contrary to the false claim here.

2 Peter 3:4-8 deals with scoffers denying Christ's return — the opposite error from claiming the day has come, both distorting the truth.

In Hebrews 13:9, the warning against being led away by strange teachings parallels the deception about the Day of the Lord — both caution against false doctrines.

1 Thessalonians 3:3 uses the same Greek word 'disturbed' but for afflictions, not false teaching. A moderate thematic link of not being shaken.