This passage reminds us that as Christians we are never alone, because Jesus promised to send God the Holy Spirit to live within us.
The disciples were confused and upset. Jesus was talking to them about leaving. They could not know he was talking to them about his death, resurrection and ascension.
What Jesus promises is incredible: the Holy Spirit living with us, and within us. The one through whose power Jesus was raised from the dead lives in us. No wonder Jesus says, “Because I live, you also will live”.