John 8:51

Truly, truly, I tell you, if a person obeys my message, he will never die [i.e., spiritually]."

John 11:25-26

Jesus said to her, "I am the resurrection and the life; the person who believes in me will live on, even though he dies [physically].

Luke 2:26

Now it had been revealed to him by the Holy Spirit that he would not die until he had seen the Lord's Christ [i.e., God's, specially chosen one].

John 3:15-16

so that whoever believes in Him would have never ending life." [Note: Some translations extend Jesus' conversation with Nicodemus through verse 21].

John 5:24

"Truly, truly, I tell you, the person who listens to my message and believes [in] the One who sent me [i.e., God] has never ending life [i.e., as a hope. See Titus 1:2; 3:7]. He will not be judged [and condemned], but has [already] passed from being [spiritually] dead to being [spiritually] alive.

John 8:55

Now you people have not known Him [i.e., to be your Lord], but I know Him. And if I should say, 'I do not know Him,' I would be a liar like you. But I [do] know Him, and I obey His message.

John 15:20

Remember what I said to you, 'A slave is not greater [in importance] than his master.' If they persecuted me, they will [also] persecute you, too; if they obeyed my teaching, they will obey yours also.

John 6:50

[But] this is the bread that has come down from heaven [i.e., Jesus is referring to Himself], so that a person who eats of it [i.e., believes in Jesus] will not die [spiritually].

John 8:12

So, Jesus spoke to them again [i.e., to the Jewish authorities. See 7:45], saying, "I am the light of the world. The person who becomes my follower will never live in [spiritual] darkness, but have the light of [i.e., for his] life [i.e., followers of Jesus will not live in error and sin but in truth and righteousness]."

Hebrews 11:5

By [having] faith, Enoch was taken [to be with God], so that he did not have to die. And he could not be found because God had taken him away. For he had been commended [by God] before he was taken away, that he had pleased God. [Note: The Hebrew of Gen. 5:24 says, "he walked with God"].

Treasury of Scripture Knowledge

Summary

Verily, verily, I say unto you, If a man keep my saying, he shall never see death.

Bible References

If

John 3:15
so that whoever believes in Him would have never ending life." [Note: Some translations extend Jesus' conversation with Nicodemus through verse 21].
John 5:24
"Truly, truly, I tell you, the person who listens to my message and believes [in] the One who sent me [i.e., God] has never ending life [i.e., as a hope. See Titus 1:2; 3:7]. He will not be judged [and condemned], but has [already] passed from being [spiritually] dead to being [spiritually] alive.
John 6:50
[But] this is the bread that has come down from heaven [i.e., Jesus is referring to Himself], so that a person who eats of it [i.e., believes in Jesus] will not die [spiritually].
John 11:25
Jesus said to her, "I am the resurrection and the life; the person who believes in me will live on, even though he dies [physically].

Keep

John 8:55
Now you people have not known Him [i.e., to be your Lord], but I know Him. And if I should say, 'I do not know Him,' I would be a liar like you. But I [do] know Him, and I obey His message.
John 15:20
Remember what I said to you, 'A slave is not greater [in importance] than his master.' If they persecuted me, they will [also] persecute you, too; if they obeyed my teaching, they will obey yours also.