Matthew 7:13-14

Enter in through the narrow gate, for wide is the gate; and spacious the way which leads to destruction, and many are they that enter in by it;

Luke 13:24

Strive to enter in by the narrow gate; for many, I tell you, shall seek to enter in, and shall not be able.

Acts 2:40

And with many other words he testified and exhorted, saying, Save yourselves from this perverse generation.

2 Corinthians 6:17

Go out therefore from among them, and be separate, says the Lord, and touch not the impure; and I will receive you,

Revelation 18:4

And I heard another voice from heaven, saying, Come out of her, my people, that you may not partake of her sins, and receive of her plagues;

Treasury of Scripture Knowledge

Summary

Forsake the foolish, and live; and go in the way of understanding.

General references

Bible References

Forsake

Acts 2:40
And with many other words he testified and exhorted, saying, Save yourselves from this perverse generation.
2 Corinthians 6:17
Go out therefore from among them, and be separate, says the Lord, and touch not the impure; and I will receive you,
Revelation 18:4
And I heard another voice from heaven, saying, Come out of her, my people, that you may not partake of her sins, and receive of her plagues;

In

Matthew 7:13
Enter in through the narrow gate, for wide is the gate; and spacious the way which leads to destruction, and many are they that enter in by it;
Luke 13:24
Strive to enter in by the narrow gate; for many, I tell you, shall seek to enter in, and shall not be able.

General references

Matthew 22:9
Go, therefore, to the crossings of the ways, and invite all you find to the wedding.
Ephesians 5:7
Be not therefore partakers with them.