⁶³ It is the spirit who gives life. The flesh profits nothing. The words that I speak to you are spirit, and are life. ⁶⁴ 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 He said, “For this cause I have said to you that no one can come to me, unless it is given to him by my Father.”