The Bible teaches this. Jesus words confirm hell. There is eternal punishment for sin.
People can escape hell. We deserve hell. If a person desire repentance and follow Jesus. Then they will avoid hell. Again, a person need repentance, then follow Jesus and not sin.
But I tell you that anyone who is angry with a brother or sister will be subject to judgment. Again, anyone who says to a brother or sister, ‘Raca,’is answerable to the court. And anyone who says, ‘You fool!’ will be in danger of the fire of hell.
11 I say to you that many will come from the east and the west, and will take their places at the feast with Abraham, Isaac and Jacob in the kingdom of heaven. 12 But the subjects of the kingdom will be thrown outside, into the darkness, where there will be weeping and gnashing of teeth.”
They will throw them into the blazing furnace, where there will be weeping and gnashing of teeth.
and throw them into the blazing furnace, where there will be weeping and gnashing of teeth.
“Then the king told the attendants, ‘Tie him hand and foot, and throw him outside, into the darkness, where there will be weeping and gnashing of teeth.’
24 “Make every effort to enter through the narrow door, because many, I tell you, will try to enter and will not be able to. 25 Once the owner of the house gets up and closes the door, you will stand outside knocking and pleading, ‘Sir, open the door for us.’
“But he will answer, ‘I don’t know you or where you come from.’
26 “Then you will say, ‘We ate and drank with you, and you taught in our streets.’
27 “But he will reply, ‘I don’t know you or where you come from. Away from me, all you evildoers!’
28 “There will be weeping there, and gnashing of teeth, when you see Abraham, Isaac and Jacob and all the prophets in the kingdom of God, but you yourselves thrown out.