Arcana Coelestia #61
61. Everything that has to do with cognitions of faith is called spiritual, and everything that has to do with love to the Lord and towards the neighbour is called celestial. The former belong to man's understanding, the latter to his will.
Arcana Coelestia #2035
2035. 'Throughout their generations' means the things that comprise faith. This is clear from the meaning of 'generations', and of descendants, as the things that comprise faith, dealt with in 613, 1145, 1255, 1330. And that things of love and faith are like blood relatives and relatives by marriage, see 685, 917.