Revelation 9:18-21

By these three plagues a third part of men were killed, by the fire and the smoke and the sulphur which proceeded from their mouths.

Revelation 16:1-21

And I heard a loud voice saying to the seven angels, Go, pour out the seven bowls of the wrath of God on the earth.

Treasury of Scripture Knowledge

Summary

Therefore he hath poured upon him the fury of his anger, and the strength of battle: and it hath set him on fire round about, yet he knew not; and it burned him, yet he laid it not to heart.

General references

Bible References

He knew

Revelation 9:18
By these three plagues a third part of men were killed, by the fire and the smoke and the sulphur which proceeded from their mouths.
Revelation 16:9
And men were scorched with great heat, and blasphemed the name of God who had power over these plagues, and changed not their minds to give him glory.

General references

Matthew 24:39
and knew not till the flood came and took them all away, so shall the coming of the Son of man be.