Isaiah 34:9-10

9 aAnd the streams of Edom
Hebrew her streams
shall be turned into pitch,
and her soil into sulfur;
her land shall become burning pitch.
10Night and day cit shall not be quenched;
dits smoke shall go up forever.
eFrom generation to generation it shall lie waste;
none shall pass through it forever and ever.

Isaiah 66:24

24“And they shall go out and look on the dead bodies of the men who have rebelled against me. For ftheir worm shall not die, gtheir fire shall not be quenched, and they shall be an abhorrence to all flesh.”

Ezekiel 20:47-48

47Say to the forest of the Negeb, Hear the word of the Lord: Thus says the Lord God, Behold, hI will kindle a fire in you, and it shall devour every igreen tree in you and every jdry tree. The blazing flame shall not be quenched, and kall faces from south to north shall be scorched by it. 48 lAll flesh shall see that I the Lord have kindled it; it shall not be quenched.”

Malachi 4:1

The Great Day of the Lord

1
Ch 4:1–6 is ch 3:19–24 in Hebrew
For behold, nthe day is coming, oburning like an oven, when pall the arrogant and qall evildoers rwill be stubble. The day that is coming sshall set them ablaze, says the Lord of hosts, so that it will leave them neither root nor branch.

Matthew 3:10

10Even now the axe is laid to the root of the trees. tEvery tree therefore that does not bear good fruit is cut down and thrown into the fire.

Mark 9:43-49

43 uAnd if your hand causes you to sin, cut it off. It is better for you to enter life crippled than with two hands to go to vhell,
Greek Gehenna; also verse 47
to xthe unquenchable fire.
Some manuscripts add verses 44 and 46 (which are identical with verse 48)
45 zAnd if your foot causes you to sin, cut it off. It is better for you to enter life lame than with two feet to be thrown into aahell. 47 abAnd if your eye causes you to sin, tear it out. It is better for you to enter the kingdom of God with one eye than with two eyes to be thrown into achell, 48where adtheir worm does not die and the fire is not quenched.’ 49For everyone will be salted with fire.
Some manuscripts add and every sacrifice will be salted with salt
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