4401. 'And he set up an altar there' means interior worship. This is clear from the meaning of 'setting up an altar' as worship, for the altar was the chief representative of the Lord, 921, 2777, 2811, and therefore the chief feature of worship. By worship here is meant interior worship originating in the Divine Spiritual, dealt with in the paragraph following this.

Blessing, glory, wisdom, and thanksgiving (Revelation 7:12) signify divine spiritual things from the Lord.

(Ссылки: Apocalypse Explained 7; Apocalypse Revealed 372; Revelation 7)