It is by His decree. Otherwise, Allah is exalted above states such as being concealed from or manifesting Himself to anyone. This meaning is as required by His Essence (dhāt) in relation to manifestation and istitār (concealment), inwardness and outwardness, nisbat (relations), considerations, attributions, names, and attributes. (Allah) is never subject to any differentiation or change. (Insān, I, 30)
When He descends from His own simplicity and purity, as He condescends, the Pure Essence (Sırf Dhāt) has three loci of manifestation: The first of these loci is ahadiyya (absolute oneness). Here, in the descent of the Essence, there are neither considerations, nor attributions, nor names, nor attributes. In fact, there is no domain of manifestation other than these either. That is the Pure Essence. However, since only ahadiyya is ascribed to it, its ruling has descended from simplicity.
The second of these loci of manifestation is huviyyat (He-ness). Here too, apart from ahadiyya, there is no place for the manifestation of those mentioned. In this station, huviyyat has mingled with the simplicity of the Essence. However, it is not like the association of ahadiyya with the Essence. The reason for this is so that the concealment in this station may be known by reason, and there may be an ishāra (indication) to the absent. The rest you may understand yourself.
The third of these loci of manifestation is inniyya (I-ness). In this station as well, there is no manifestation of anything other than huviyyat. Here too, there is a mingling with the simplicity of the Essence. But this ca