The Catholic Church has yet to produce a passage from the Bible that
explicitly talks of a purgatory. Instead, the Church uses passages that allude
to the existence of a purgatory.
Now, an allusion isn't the same as an illusion, nor the same as a delusion.
An allusion is an arrangement of words that convey an idea or a concept
indirectly.
The thing is: Isa 66:23-24, Mark 9:43-48, and Rev 20:11-15 give us the
impression that suffering is a distinct possibility, however the text of the
passages themselves don't mention it, i.e. they aren't explicit.
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The fire at the end Jesus describes here as 'and will cast them into the furnace of fire. There will be wailing and gnashing of teeth.'
Matthew 13
The Parable of the Tares Explained
36 Then Jesus sent the multitude away and went into the house. And His disciples came to Him, saying, “Explain to us the parable of the tares of the field.”
37 He answered and said to them: “He who sows the good seed is the Son of Man. 38 The field is the world, the good seeds are the sons of the kingdom, but the tares are the sons of the wicked
one. 39 The enemy who sowed them is the devil, the harvest is the end of the age, and the reapers are the angels. 40 Therefore as the tares are gathered and burned in the fire, so it will be at the end of this age. 41 The Son of Man will send out His angels, and they will gather out of His kingdom all things that offend, and those who practice lawlessness, 42 and will cast them into the furnace of fire. There will be wailing and gnashing of teeth. 43 Then the righteous will shine forth as the sun in the kingdom of their Father. He who has ears to hear, let him hear!
A bunch of references on wailing, weeping, gnashing of teeth, furnace of fire, hell
Outer darkness means a separation from light of Christ and God.
Bible verses about Wailing And Gnashing Of Teeth
www.openbible.info
The Parable of the Sower - On the same day Jesus went out of the house and sat by the sea. And great multitudes were gathered together to Him, so that He got into a boat and sat; and the whole multitude stood on the shore. Then He spoke many things to them in parables, saying: “Behold, a sower...
www.biblegateway.com