'Eternal Life' in the Bible

Search the scriptures: in them ye think ye have eternal life: and it is they that testify of me.

He that eateth my flesh, and drinketh my blood, hath eternal life, and I will raise him up at the last day.

Thou hast the words of eternal life. And we have believed and known, that thou art the Christ, the Son of the living God.

And I give them eternal life, and they shall never perish, neither shall any pluck them out of my hand.

that he may give eternal life to all whom thou hast given him.