John 8:51

Verily, verily I say to you, if any one will keep my word, he shall never see death.

John 11:25-26

Jesus said to her: I am the resurrection, and the life; he that believes on me, though he were dead, yet shall he live;

Luke 2:26

and it had been revealed to him by the Holy Spirit, that he should not see death before he had seen the Lord's Anointed.

John 3:15-16

that whoever believes on him may not perish, but have eternal life.

John 5:24

Verily, verily I say to you, He that hears my word, and believes on him that sent me, has eternal life, and comes not into condemnation, but has passed from death into life.

John 8:55

And yet you have not known him. But I know him; and if I should say that I do not know him, I should be like yourselves, a liar. But I know him, and I keep his word.

John 15:20

Remember the word which I spoke to you, The servant is not greater than his master. If they have persecuted me, they will also persecute you; if they have kept my word, they will keep yours also.

John 6:50

This is the bread which comes down from heaven, that any one may eat of it, and not die.

John 8:12

Then Jesus spoke to them again, saying: I am the light of the world; he that follows me shall not walk in darkness, but shall have the light of life.

Hebrews 11:5

By faith Enoch was translated that he should not see death, and was not found, because God had translated him: for before his translation he had the testimony that he pleased 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
that whoever believes on him may not perish, but have eternal life.
John 5:24
Verily, verily I say to you, He that hears my word, and believes on him that sent me, has eternal life, and comes not into condemnation, but has passed from death into life.
John 6:50
This is the bread which comes down from heaven, that any one may eat of it, and not die.
John 11:25
Jesus said to her: I am the resurrection, and the life; he that believes on me, though he were dead, yet shall he live;

Keep

John 8:55
And yet you have not known him. But I know him; and if I should say that I do not know him, I should be like yourselves, a liar. But I know him, and I keep his word.
John 15:20
Remember the word which I spoke to you, The servant is not greater than his master. If they have persecuted me, they will also persecute you; if they have kept my word, they will keep yours also.