Though by this time you should be teaching other people, you still need someone to teach you once more the rudimentary principles of the divine revelation. You are in need of milk, not of solid food.
So some of his disciples said to one another, "What does he mean by telling us, 'In a little while, you will behold me no longer; then, after a little, you shall see me'? and, 'I go to the Father'?"
Jesus knew they wanted to ask him; so he said to them, "Is this what you are discussing together, why I said, 'In a little while, you will not see me: then, after a little, you shall see me'?