37. However, on account of the importance of the light of Ḥokhma that the left line is holding, the left line will under no circumstances submit in order to unite with the light of giving in the right line. What is more, the left line battles with the right line and wants to negate it, as stated. It will not submit to the right except by means of two forces that arise from the middle line, which act upon the left line and subjugate it:
How Two Opposing Forces Reach Harmony
Introduction to Sulam Commentary 37:1