21 For if God spared not the natural branches, neither will he spare you.
Romans 11:21 Cross References - Godbey
Romans 8:32
32 Indeed he who spared not his own Son, but delivered Him up for us all, how will He not with him, freely give us all things?
Romans 11:17
17 And if certain ones of the branches were broken off, and you being a wild olive-tree are grafted in among them, and have become a partaker of the root of the fatness of the olive-tree;
Romans 11:19
19 Then you will say, The branches were broken off, that I may be grafted in.
1 Corinthians 10:1-12
1 For I do not wish you to be ignorant, brethren, that our fathers were all under the cloud, and all passed through the sea;
2 and all were baptized into Moses in the cloud and in the sea;
3 and they all did eat the same spiritual food;
4 and all did drink the same spiritual drink: for they drank of that spiritual Rock that followed them: and that Rock was Christ.
5 But with many of them God is not well pleased: for they were overthrown in the wilderness.
6 And these became our examples, in order that we may not lust after evil things, as they also lusted.
7 Neither be ye idolaters, as some of them were; as has been written, The people sat down to eat and drink, and arose up to play.
8 Neither let us commit fornication, as some of them committed fornication, and fell in one day twenty-three thousand.
9 Neither let us tempt the Lord, as some of them tempted Him, and were destroyed by serpents.
10 Neither murmur, as some of them murmured, and were destroyed by the destroyer.
11 But these things happened unto them as examples; and were written for our admonition, on whom the ends of the ages have descended.
12 So let him who thinks he stands take heed lest he may fall.
2 Peter 2:4-9
4 For if God spared not the angels who sinned, but having sent them down to hell, committed them to chains of darkness to be kept unto judgment;
5 and spared not the old world, but delivered Noah the eighth person, the preacher of righteousness, brings the flood upon the world of the ungodly;
6 and having destroyed the cities of Sodom and Gomorrah, with a catastrophe he condemned them, having put them forth as an example to those about to be ungodly:
7 and he delivered righteous Lot, being grieved by the deportment of the ungodly in their debauchery:
8 (for the righteous man dwelling among them, by seeing and hearing, vexed his righteous soul from day to day with their unlawful deeds:)
9 for the Lord knows how to rescue the godly out of temptations, and to keep the unrighteous unto the day of judgment enduring punishment:
Jude 1:5
5 But I wish you to remember, once having known all these things, that the Lord, having saved the people out of the land of Egypt, destroyed them that believed riot, the second time: