^{61 Ref} But Jesus knowing in himself that his disciples murmured at this, said to them, "Does this cause you to stumble?

^{62 Ref} Then what if you would see the Son of Man ascending to where he was before?

^{63 Ref} It is the spirit who gives life. The flesh profits nothing. The words that I speak to you are spirit, and are life.

^{64 Ref} But there are some of you who don't believe." For Jesus knew from the beginning who they were who didn't believe, and who it was who would betray him.

^{65 Ref} He said, "For this cause have I said to you that no one can come to me, unless it is given to him by my Father."