2 Peter 2:4-9

For God, indeed, did not spare the angels who sinned, but with chains of darkness confining them in Tartarus, delivered them over to be kept for judgment;

Jude 1:5

I will therefore put you in remembrance, though you formerly knew this, that the Lord, having saved the people out of the land of Egypt, afterward destroyed them who did not believe.

Treasury of Scripture Knowledge

Summary

For if God spared not the natural branches, take heed lest he also spare not thee.

Bible References

If god

2 Peter 2:4
For God, indeed, did not spare the angels who sinned, but with chains of darkness confining them in Tartarus, delivered them over to be kept for judgment;
Jude 1:5
I will therefore put you in remembrance, though you formerly knew this, that the Lord, having saved the people out of the land of Egypt, afterward destroyed them who did not believe.