CCC 735 He, then, gives us the “pledge” or “first fruits” of our inheritance: the very life of the Holy Trinity, which is to love as “God [has] loved us.”1 This love (the “charity” of 1 Cor 13) is the source of the new life in Christ, made possible because we have received “power” from the Holy Spirit.2

1 1 Jn 4: 12; cf. Rom 8:23; 2 Cor 1:21.
2 Acts 1:8; cf. 1 Cor 13.