Acts 2:40
“And with many other words did he testify and exhort, saying, Save yourselves from this untoward generation.”
Then Peter said unto them, Repent, and be baptized every one of you in the name of Jesus Christ for the remission of sins, and ye shall receive the gift of the Holy Ghost.
For the promise is unto you, and to your children, and to all that are afar off, even as many as the Lord our God shall call.
And with many other words did he testify and exhort, saying, Save yourselves from this untoward generation.
Then they that gladly received his word were baptized: and the same day there were added unto them about three thousand souls.
And they continued stedfastly in the apostles’ doctrine and fellowship, and in breaking of bread, and in prayers.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“Wherefore come out from among them, and be ye separate, saith the Lord, and touch not the unclean thing; and I will receive you,”
“That ye may be blameless and harmless, the sons of God, without rebuke, in the midst of a crooked and perverse nation, among whom ye shine as lights in the world;”
“When I say unto the wicked, Thou shalt surely die; and thou givest him not warning, nor speakest to warn the wicked from his wicked way, to save his life; the same wicked man shall die in his iniquity; but his blood will I require at thine hand.”
“They have corrupted themselves, their spot is not the spot of his children: they are a perverse and crooked generation.”
“Then Jesus answered and said, O faithless and perverse generation, how long shall I be with you? how long shall I suffer you? bring him hither to me.”