Matthew 24:30

"Then the signs of the Son of man will appear in the sky; and then all the tribes of the earth will lament, when they see the Son of man coming upon the clouds of heaven, with power and great glory.

Revelation 1:7

Behold, he is about to come among the clouds; and every eye will see him, and all the tribes of the earth will mourn over him. So shall it be, Amen.

Treasury of Scripture Knowledge

Summary

Behold, he shall come up as clouds, and his chariots shall be as a whirlwind: his horses are swifter than eagles. Woe unto us! for we are spoiled.

Bible References

Behold

Matthew 24:30
"Then the signs of the Son of man will appear in the sky; and then all the tribes of the earth will lament, when they see the Son of man coming upon the clouds of heaven, with power and great glory.
Revelation 1:7
Behold, he is about to come among the clouds; and every eye will see him, and all the tribes of the earth will mourn over him. So shall it be, Amen.