Matthew 3:12
Whose fan is in His hand, and He will thoroughly cleanse His threshing-floor, and will gather His wheat into the granary, but the chaff He will burn with unquenchable fire."
Revelation 14:10-11
he also shall drink of the wine of the wrath of God, which has been mingled undiluted in the cup of His anger; and he shall be tormented with fire and brimstone in the presence of the holy angels, and before the Lamb.
Mark 9:43-49
And, if your hand causes you to stumble, cut it off; it is good for you to enter into life maimed, rather than having the two hands to go into Hell--into the unquenchable fire!
1 Thessalonians 2:15-16
who both killed the Lord Jesus and the prophets, and drove us out, and pleased not God, and are contrary to all men;
Revelation 19:17-21
And I saw one angel standing in the sun; and he cried with a great voice saying to all the birds that fly in mid-heaven, "Come, gather yourselves together to the great supper of God;
Revelation 21:8
But, for the fearful, and unbelieving, and abominable, and murderers, and fornicators, and sorcerers, and idolaters, and all the liars, their part shall be in the lake that burns with fire and brimstone; which is the second death."