- The source of the kav in אור אין סוף לפני הצמצום is in the external levels of the ohr.

- עליית הרצון - estimation potentially of everything that would be actually in creation.

- The reason why the אור הקו is called צינור - pipe/tube.

- How the ohr is really defined and therefore can be rooted in the עשר ספירות הגנוזות according to all opinions.

- Even ידיעת השלילה somewhat describes the actual entity you're trying to know.

- The difference between ידיעת  השלילה in עצמות compared to אורות.

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