In his intimate life, God “is love,”36 the essential love shared by the three divine Persons: personal love is the Holy Spirit as the Spirit of the Father and the Son. Therefore he “searches even the depths of God,”37 as uncreated Love-Gift. It can be said that in the Holy Spirit the intimate life of the Triune God becomes totally gift, an exchange of mutual love between the divine Persons and that through the Holy Spirit God exists in the mode of gift. It is the Holy Spirit who is the personal expression