jesus talks about hell

Matthew 10:28 ESV

And do not fear those who kill the body but cannot kill the soul. Rather fear him who can destroy both soul and body in hell.

Matthew 25:41 ESV

 “Then he will say to those on his left, ‘Depart from me, you cursed, into the eternal fire prepared for the devil and his angels.

Matthew 25:46 ESV

 And these will go away into eternal punishment, but the righteous into eternal life.” 

John 3:16

 Whoever believes in him is not condemned, but whoever does not believe stands condemned already because he has not believed in the name of God's one and only Son.

John 8:44

 You belong to your father, the devil, and you want to carry out your father’s desires. He was a murderer from the beginning, not holding to the truth, for there is no truth in him. When he lies, he speaks his native language, for he is a liar and the father of lies. 

Matthew 12:30

 "Whoever is not with me is against me, and whoever does not gather with me scatters." ... Matthew 12:30, KJV: "He that is not with me is against me; and he that gathereth not with me scattereth abroad." 

Matthew 18:6-9

  And if your hand or your foot causes you to sin, cut it off and throw it away. It is better for you to enter life crippled or lame than with two hands or two feet to be thrown into the eternal fire. And if your eye causes you to sin, tear it out and throw it away. It is better for you to enter life with one eye than with two eyes to be thrown into the hell of fire.

The images of fire (Matt. 25:41), darkness (Matt. 8:12; 22:13; 25:30), the weeping and gnashing of teeth ” (Matt. 8:12; 13:42,50; 22:13; 24:51; 25:30; Luke 13:28), and being cut into pieces speak of the horror of hell.

Hell is a literal fire and literal darkness and is immeasurably worse than those images and inexpressibly worse than we can even imagine or describe. As heaven is more wonderful than our finite minds can comprehend, hell is more horrible than we can comprehend.

Matthew 7: 13-14

For wide is the gate and broad is the way that leads to destruction, and many enter through it. But small is the gate and narrow is the way that leads to life, and only a few find it

John 3:16-20

 For God so loved the world that he gave his one and only Son, that whoever believes in him shall not perish but have eternal life. 17 For God did not send his Son into the world to condemn the world, but to save the world through him. 18 Whoever believes in him is not condemned, but whoever does not believe stands condemned already because they have not believed in the name of God’s one and only Son. 19 This is the verdict: Light has come into the world, but people loved darkness instead of light because their deeds were evil. 20 Everyone who does evil hates the light, and will not come into the light for fear that their deeds will be exposed.