Matthew 24:30

30 Then the sign of the Son of Man will appear in heaven, and then all the tribes of the earth will mourn, and they will see "the Son of Man coming on the clouds of heaven' with power and great glory.

Matthew 24:30 In-Context

28 Wherever the corpse is, there the vultures will gather.
29 "Immediately after the suffering of those days the sun will be darkened, and the moon will not give its light; the stars will fall from heaven, and the powers of heaven will be shaken.
30 Then the sign of the Son of Man will appear in heaven, and then all the tribes of the earth will mourn, and they will see "the Son of Man coming on the clouds of heaven' with power and great glory.
31 And he will send out his angels with a loud trumpet call, and they will gather his elect from the four winds, from one end of heaven to the other.
32 "From the fig tree learn its lesson: as soon as its branch becomes tender and puts forth its leaves, you know that summer is near.
New Revised Standard Version Bible, copyright 1989, Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.