ISB ~ Hebrews 12 v22 - 24
The celestial liturgy of heaven, where angels and saints are gathered to worship God and to celebrate the redeeming work of Christ (Rev 4-5; 7:9-17; 14:1-5; etc.). Readers are invited to join in this eternal liturgy (Heb 12:28) by entering the heavenly sanctuary through prayer and sacramental worship (10:19-22) (CCC 2188).