John 6:63 in the World English Bible
It is the spirit who gives life. The flesh profits nothing. The words that I speak to you are spirit, and are life.
Context
62 What and if ye shall see the Son of man ascend up where he was before?
63 It is the spirit that quickeneth; the flesh profiteth nothing: the words that I speak unto you, they are spirit, and they are life.
64 But there are some of you that believe not. For Jesus knew from the beginning who they were that believed not, and who should betray him.