Abū Bakr therefore made it clear that absolute silence is unlawful, and he immediately added, “This is one of the practices of the Age of Ignorance,” meaning to censure and denounce it. (1)
Coupling the ruling with this description shows that the description itself is the effective cause, and that the act has no place in the Sharīʿah.
Accordingly, every form of devotion adopted from the pre-Islamic pagans that Allah has not legislated in Islam falls under this ruling, even if it is not condemned by name—such as mukāʾ and taṣdiyah—for Allah the Exalted says about the disbelievers:
“ Their prayer at the House was nothing but whistling and clapping.” (al-Anfāl 8:35) (2)
Mukāʾ is whistling and the like, and taṣdiyah is clapping. To treat such actions as acts of piety or obedience is a practice of the Age of Ignorance that Islam has not sanctioned.
The same judgment applies to practices such as: a pilgrim in iḥrām—or anyone else—standing in the full sun so as not to benefit from shade; refusing to perform ṭawāf in garments previously worn; (3) or abandoning every deed performed outside the Sacred Precinct; (4) and the like—customs of the Age of Ignorance that they regarded as acts of worship, even though a specific prohibition has been reported concerning