2. It may not always be conscious and clear, but in the human heart there is a deep nostalgia for God. St. Ignatius of Antioch expressed this eloquently: “There is in me a living water that murmurs within me: 'Come to the Father'” (Ad Rom.7). “Lord, show me your glory”, Moses begged on the mountain (Ex 33:18).
Since the Incarnation, there has been a human face in which it is possible to see God. From that moment on, a new relationship has been possible between the Creator and the creature: that of a son with his Father.
By conveying to us the direct testimony of the life of the Son of God, the Gospel of John shows us the path to follow in order to know the Father. The invocation “Father” is the secret, the breath, the life of Jesus.
[Pope John Paul II, Message for the 14th World Youth Day]