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22 And I will make them one nation in the land upon the mountains of Israel; and one king shall be king to them all: and they shall be no more two nations, neither shall they be divided into two kingdoms any more at all:
28 And ye shall dwell in the land that I gave to your fathers; and ye shall be my people, and I will be your God.
'To observe' stands for all aspects of the Word in general.
(Odkazy: Arcana Coelestia 3382)