Revelation 18:8

Therefore, her plagues shall come in one day, death and mourning and famine; and she shall be utterly burned with fire: for strong is the Lord God who judges her.

Revelation 6:17

for the great day of his wrath has come, and who is able to stand?

Treasury of Scripture Knowledge

Summary

And the LORD shall utter his voice before his army: for his camp is very great: for he is strong that executeth his word: for the day of the LORD is great and very terrible; and who can abide it?

Bible References

He is

Revelation 18:8
Therefore, her plagues shall come in one day, death and mourning and famine; and she shall be utterly burned with fire: for strong is the Lord God who judges her.

Who

Revelation 6:17
for the great day of his wrath has come, and who is able to stand?