John 6:62-64

Young's Literal Translation

⁶² if then ye may behold the Son of Man going up where he was before?

⁶³ the spirit it is that is giving life; the flesh doth not profit anything; the sayings that I speak to you are spirit, and they are life;

⁶⁴ but there are certain of you who do not believe;' for Jesus had known from the beginning who they are who are not believing, and who is he who will deliver him up,