1 Corinthians 7:1
I now want to reply to the matters you people wrote me about. It is [a] good [idea] for a man not to get married. [Note: The words "to get married" here are "to touch" in the Greek and probably refer to sexual relations within marriage. This advice, not a prohibition, is further explained in verses 26-35].
2 Corinthians 6:17
Therefore, the Lord says [Isa. 52:11], "You people should leave their company [i.e., unbelievers, verse 14] and separate yourselves from them, and do not touch anything unclean [i.e., their evil practices], and I will welcome you."
2 Thessalonians 2:7
For this mysterious lawlessness is already at work [or, "this lawlessness is already secretly at work"]; but the one who is holding it back [will continue to do so] until he is removed.
2 Thessalonians 2:11
And this is the reason that God sends them a strong delusion [to influence them]: It is so that they would believe the lie,