The "midst" of something in the Bible represents the thing that is most central and most important to the spiritual state being described, the motivation that drives everything else. In general this will be something we love or feel, because at the core of things we are what we love; our loves define us.

(Odkazy: Apocalypse Revealed 44, 90, 268; Arcana Coelestia 2252, 2940, 10153, 10365, 10557, 10635, 10641)

6103. 'And gave them a possession in the land of Egypt, in the best of the land' means in the inmost part of the natural mind where factual knowledge resides. This is clear from the meaning of 'a possession' as the position spiritual life occupies, dealt with in 2658; from the meaning of 'the land of Egypt' as the natural mind where factual knowledge resides, dealt with in 5276, 5278, 5280, 5288, 5301; and from the meaning of 'the best of the land' as the inmost part, dealt with above in 6084. From this it is evident that 'gave them a possession in the land of Egypt, in the best of the land' means the position occupied by spiritual life in the inmost part of the natural mind where factual knowledge resides.