Matthew 24:30

And then will appear the sign of the Son of man in heaven; and all the tribes of the earth will mourn, and will see the Son of man coming upon the clouds of heaven with power and great glory.

Revelation 1:7

Behold, he cometh with the clouds, and every eye shall see him, and they who pierced him; and all the tribes of the earth shall wail because of him. Even so, 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
And then will appear the sign of the Son of man in heaven; and all the tribes of the earth will mourn, and will see the Son of man coming upon the clouds of heaven with power and great glory.
Revelation 1:7
Behold, he cometh with the clouds, and every eye shall see him, and they who pierced him; and all the tribes of the earth shall wail because of him. Even so, Amen.