CCC 706

Against all human hope, God promises descendants to Abraham, as the fruit of faith and of the power of the Holy Spirit.⁶⁸ Cf. Gen 18:1-15; Lk 1:26-38. 54-55; Jn 1:12-13; Rom 4:16-21. In Abraham's progeny all the nations of the earth will be blessed. This progeny will be Christ himself,⁶⁹ Cf. Gen 12:3; Gal 3:16. in whom the outpouring of the Holy Spirit will "gather into one the children of God who are scattered abroad."⁷⁰ Cf. In 11:52. God commits himself by his own solemn oath to giving his beloved Son and "the promised Holy Spirit . . . [who is] the guarantee of our inheritance until we acquire possession of it."⁷¹ Eph 1:13-14; cf. Gen 22:17-19; Lk 1:73; Jn 3:16; Rom 8:32; Gal 3:14.