It may even be . . . that the Kingdom of God means Christ himself, whom we daily desire to come, and whose coming we wish to be manifested quickly to us. For as he is our resurrection, since in him we rise, so he can also be understood as the Kingdom of God, for in him we shall reign. 86
Catechism number 2818
In the Lord's Prayer, "thy kingdom come" refers primarily to the final coming of the reign of God through Christ's return.88 But, far from distracting the Church from her mission in this present world, this desire commits her to it all the more strongly. Since Pentecost, the coming of that Reign is the work of the Spirit of the Lord who "complete(s) his work on earth and brings us the fullness of grace."89