Matthew 24:27

24 For there shall arise false Christs, and false prophets, and shall show great signs and wonders; so as to lead astray, if possible, even the elect.

25 Behold, I have told you beforehand.

26 If therefore they shall say unto you, Behold, he is in the wilderness; go not forth: Behold, he is in the inner chambers; believe [it] not.

27 For as the lightning cometh forth from the east, and is seen even unto the west; so shall be the coming of the Son of man.

28 Wheresoever the carcase is, there will the eagles be gathered together.

29 But immediately after the tribulation of those days the sun shall be darkened, and the moon shall not give her light, and the stars shall fall from heaven, and the powers of the heavens shall be shaken:

30 and then shall appear the sign of the Son of man in heaven: and then shall all the tribes of the earth mourn, and they shall see the Son of man coming on the clouds of heaven with power and great glory.