Generally when things in the Bible are described as having two sides -- especially when the two sides are equal -- it has to do with a completeness and balance between the desire for good and the understanding of truth. These are the two elements of a spiritual life -- we have to determine that we wish to do what is right, and have to understand what that means and how to do it. When they are in balance and equivalent, we can grow closer to the Lord. See Exodus 25:12 as an example.

(Odkazy: Arcana Coelestia 9495, 9511, 9512, 9556)

9556. 'Three branches of the lampstand out of one side of it, and three branches of the lampstand out of the other side of it' means completeness so far as good and truth are concerned. This is clear from the meaning of 'three' as what is complete, dealt with in 2788, 4495, 7715 9198; from the meaning of 'branches of the lampstand' as truths derived from good, and consequently power, dealt with above in 9555; and from the meaning of 'out of one side' and 'out of the other side' as from good and consequently from truth. For the parts on the right side of the body mean forms of good, and those on the left mean forms of truth derived from good, as for example with the right and left sides of the face, the right and left eye, the right and left ear, the right and left foot, and so on with everything else in the body.