John 6:63 (NKJV)
63 It is the Spirit who gives life; the flesh profits nothing. The words that I speak to you are spirit, and they are life.

John 11:25-26 (NKJV)
25 Jesus said to her, "I am the resurrection and the life. He who believes in Me, though he may die, he shall live.
26 And whoever lives and believes in Me shall never die. Do you believe this?"

John 14:6-7 (NKJV)
6 Jesus said to him, "I am the way, the truth, and the life. No one comes to the Father except through Me.
7 "If you had known Me, you would have known My Father also; and from now on you know Him and have seen Him."

John 17:3 (NKJV)
3 And this is eternal life, that they may know You, the only true God, and Jesus Christ whom You have sent.

John 20:29-31 (NKJV)
29 Jesus said to him, "Thomas, because you have seen Me, you have believed. Blessed are those who have not seen and yet have believed."
30 And truly Jesus did many other signs in the presence of His disciples, which are not written in this