21 For then there shall be great tribulation, such as has not occurred since the beginning of the world to this time, no, nor ever shall be.
Matthew 24:21 Cross References - RKJNT
Matthew 24:29
29 Immediately after the tribulation of those days, the sun shall be darkened, and the moon shall not give its light, and the stars shall fall from heaven, and the powers of the heavens shall be shaken:
Mark 13:9
9 But take heed for yourselves: for they will deliver you up to councils; and you shall be beaten in the synagogues: and you shall be brought before rulers and kings for my sake, as a testimony to them.
Luke 19:43-44
43 For the days shall come upon you, when your enemies shall build an embankment about you, and surround you, and keep you in on every side,
44 And shall level you to the ground, and your children within you; and they shall not leave in you one stone upon another; because you did not know the time of your visitation.
Luke 21:24
24 And they shall fall by the edge of the sword, and shall be led away captive into all nations: and Jerusalem shall be trodden down by the Gentiles, until the times of the Gentiles are fulfilled.
1 Thessalonians 2:16
16 By hindering us from speaking to the Gentiles that they might be saved, thus always filling up their sins to the limit: but wrath has come upon them at last.
Hebrews 10:26-29
26 For if we sin wilfully after we have received the knowledge of the truth, there remains no more sacrifice for sins,
27 But a certain fearful expectation of judgment and fiery indignation, which shall devour the adversaries.
28 He who despised Moses' law died without mercy on the testimony of two or three witnesses:
29 How much more severe punishment do you suppose he shall deserve, who has trodden under foot the Son of God, and has counted the blood of the covenant, with which he was sanctified, an unholy thing, and has affronted the Spirit of grace?