Matthew 7:13-14
Enter ye in at the strait gate; the gate that leadeth to destruction is broad, and the way is open, and they who pass through are numerous.
Luke 13:24
strive to enter in at the narrow gate: for I declare unto you, that many shall try to get in, and shall not be able.
Acts 2:40
and with many other discourses did he conjure and exhort them, to save themselves from that depraved generation.
2 Corinthians 6:17
wherefore come out from among them, be ye separate, saith the Lord, and touch not the unclean thing; and I will receive you,
Revelation 18:4
And I heard another voice from heaven, saying, come out of her, my people, that ye may not be partakers of her sins, nor share in her plagues: