…Say ‘I do not ask of you any reward for it, except the affection due to [my] kinsfolk’…He said:The inner meaning of the verse refers to the link between the Sunna and obligatory acts (farḍ). It is related regarding this verse that Ḥasan [al-Baṣrī] said, ‘Whoever draws closer to God through obedience to Him, [will find that] God’s love becomes obligatory [for Him].’ His words: …If anyone acquires a good deed, We shall enhance for him his goodness…He said:It refers to the cognisance (maʿrifa) [that a person should have] of his state relating to an act, before entering upon it, and after its completion, as to whether it is unhealthy (saqīm) or sound (saḥīḥ). His words, Exalted is He: