Among them are those whose acquisition is lawful, but whose eating and touching are not lawful, such as dogs and cats (al-sanānīr).

And among them are those whose acquisition, touching, and eating are all unlawful, such as snakes, scorpions, swine, hyenas, vultures (al-rakham), crows, chameleons, dead carcasses (al-jiyyaf), and the like.

Indeed, the prohibitions (al-muḥarramāt) are of many types, and the prohibition of each type differs from the others; for some pertain to foods, some to speech (al-aqwāl), some to marriages (al-manākiḥ), and some to clothing.

And so forth. Likewise, the lawful things (al-muhallat) follow this same course, as will be clarified, Allah the Almighty willing.

As for the category that is lawful both outwardly and inwardly: it consists of the lawful blessings (al-ni'am) which Allah the Almighty has bestowed upon His believing servants and made permissible for them, including various foods, drinks, clothing, and lawful marriages, according to the saying of the Almighty: {“Have you not seen that Allah has subjected to you whatever is in the heavens and whatever is on the earth, and has lavished upon you His favors, both outward and inward?}” (Luqman 20).

The division whose outward and esoteric are permitted

As for their inner meaning (Batin): it is an obligatory duty (fard mafrud) according to one's capacity, for through it lies the life of the souls.