"For God so loved the world, that He have His only begotten Son, that whoever believes in Him should not perish, but have eternal life."
John 3:16

"He who believes in Him is not judged; he who does not believe has been judged already, because he has not believed in the name of the only begotten Son of God."
John 3:18

"and he gave Him authority to execute judgment, because He is the Son of Man."
John 5:27

"I am the light of the world; he who follows Me shall not walk in the darkness, but shall have the light of life."
John 8:12

"You are from below, I am from above; you are of this world, I am not of this world. I said therefore to you, that you shall die in your sins; for unless you believe that I am He, you shall die in your sins."
John 8:23,24

"Truly, truly, I say to you, if anyone keeps My word he shall never see death."
John 8:51

"I am the resurrection and the life; he who believes in Me shall live even if he dies, and everyone who lives and believes in Me shall never die. Do you believe this?"
John 11:25,26

"I am the way, and the truth, and the life; no one comes to the Father, but through Me."
John 14:6