These [inward senses] are:

The Imaginative (al-mukhayyila)

The Cogitative (al-mufakkira)

The Recollective (al-mudhakkira)

The Retentive/Preserving (al-ḥāfiẓa)

The Rational/Intellectual (al- ‘āqila)

{And within the earth are signs for the certain [in faith], and within yourselves; do you not then see?} ¹ .

The outward powers are His likeness in the world of witnessing (al-mushāhada), while the inward powers are His likeness in the world of the Unseen (al-ghayb).

The Hair growing upon the head is an indication of the Image of Concealment (ṣūrat al-satr). It is the form through which He appears during his "occultation" from the sight of the deniers—Exalted is He who never truly vanishes.