rulings, or what the Lawgiver has brought, one who believes in part and disbelieves in part is truly the unbeliever, and unbelief prevails over faith.
For the departure of the constitutive differentia from the thing defined is the very departure of its share in what is common. Human animality is not horse animality, considered with respect to the individuality of that defined thing. Thus the whole departs through the departure of a part. God, exalted is He, said to His Prophet, God's blessings and peace be upon him, ﴿Do not be among the ignorant﴾ [al-Anʿām 6:35], and, ﴿I admonish you lest you be among the ignorant﴾ [Hūd 11:46].
(Bringing Faculties into Being and Passing beyond the Known Stage)
As for His saying in this invocation, ﴿You do not know: perhaps God will bring about an affair after this﴾ [al-Ṭalāq 65:1], this is because we know of the faculties present within the human being only to the extent that He has brought them into being within him. Perhaps within God's knowledge, with Him or within possibility, there are faculties God, exalted is He, has not brought into being within us today. Were the horse told about the faculty distinguishing the human being from it, it would deny it.
Within God's path is what the people of the path say in affirming a station beyond the stage of intellect. It is a faculty God brings into being within some of His servants, whether messenger, prophet, or friend, giving something other than what the faculty of intellect gives. Some people of intellect have denied this, while the Revealed Law has affirmed it.
(The Faculties of the Other Constitution)
We know that within the constitution of the Hereafter there are faculties
