Revelation 8:11
A third part of the waters became wormwood; and many men died of the waters, because they were made bitter.
Hebrews 12:15
Look carefully that there be no one who falls back from the grace of God; that no root of bitterness springs up to trouble you, and by its means many become defiled.
Revelation 8:7
And the first angel blew his trumpet, and there followed hail and fire mingled with blood, and it fell upon the earth; and the third part of the earth was burned up, and the third part of the trees, and all the green grass.
Treasury of Scripture Knowledge
Summary
And the name of the star is called Wormwood: and the third part of the waters became wormwood; and many men died of the waters, because they were made bitter.
Wormwood
Bible References
Wormwood
Hebrews 12:15
Look carefully that there be no one who falls back from the grace of God; that no root of bitterness springs up to trouble you, and by its means many become defiled.