New Revised Standard Version
63 It is the spirit that gives life; the flesh is useless. The words that I have spoken to you are spirit and life.
New Living Translation
63 The Spirit alone gives eternal life. Human effort accomplishes nothing. And the very words I have spoken to you are spirit and life.
Good News Translation
New International Version
63 The Spirit gives life; the flesh counts for nothing. The words I have spoken to you—they are full of the Spirit[a] and life.