Jesus promises the Spirit

^15-20 “If you really love me, you will keep the commandments I have given you and I shall ask the Father to give you someone else to stand by you, to be with you always. I mean the Spirit of truth, whom the world cannot accept, for it can neither see nor recognise that Spirit. But you recognise him, for he is with you now and will be in your hearts. I am not going to leave you alone in the world—I am coming to you. In a very little while, the world will see me no more but you will see me, because I am really alive and you will be alive too. When that day come, you will realise that I am in my Father, that you are in me, and I am in you.