4376. 'And I will go beside you' means that they are to be joined together. This is clear from the meaning of 'going beside you' as the linking of one to another, and so the meaning here is that they - good and truths - are to be joined together.

'The neck' signifies influx and the communication of interior and exterior levels and their conjunction. The inmost or third heaven has reference to the head and the middle or second heaven has reference to the body. Therefore, because it is in the middle, 'the neck' signifies influx, and the communication of celestial things with spiritual things.

(Verweise: Arcana Coelestia 3603, 5328)