the disease of wrath (Sufi Terminology)

It is the nafs (the lower self). It possesses a fire that burns and scorches the qalb (the heart). From it, a smoke emerges and spreads to the qalb, circulating between the qalb and the intellect. Then, its substance is cut off and the qalb remains in darkness. This smoke is a veil and a covering. If this smoke thickens, it leads to blindness. Only the qalbs within the breasts become blind. The mention of breasts here is an ishāra (subtle allusion), but this