Matthew 24:30

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

Revelation 1:7

Behold! he is coming with clouds, and every eye shall see him, and they also who pierced him; and all the tribes of the earth shall lament bitterly, smiting their bosoms, 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 shall the sign of the Son of man appear in the heaven: and then shall all the tribes of the earth lament bitterly, and they shall see the Son of man coming on the clouds of heaven with power and great glory.
Revelation 1:7
Behold! he is coming with clouds, and every eye shall see him, and they also who pierced him; and all the tribes of the earth shall lament bitterly, smiting their bosoms, because of him: even so! Amen.