Ma'arif al-Qur'an
Mufti Muhammad Shafiأَمَّنْ هَـٰذَا الَّذِي يَرْزُقُكُمْ إِنْ أَمْسَكَ رِزْقَهُ ۚ بَل لَّجُّوا فِي عُتُوٍّ وَنُفُورٍ (Or, who is there to give you sustenance, if He withholds His sustenance? Still, they persist in rebellion and aversion. [ 67:21] '.
The last sentence of the verse purports to express the unbelievers' sad state of affairs. They neither consider the Signs of Allah nor do they pay heed to other people's good advice. They obstinately persist in insolence and deviation from the Truth.
Next, the conditions of non-believers and believers on the field of Resurrection are described. It is mentioned that the unbelievers will be brought to the field of Resurrection, crawling on their faces instead of walking on their feet. Bukhari and Muslim record on the authority of Sayyidna Anas that the noble Companions asked the Messenger of Allah ﷺ : "How will the non-believers walk on their faces on the Day of Resurrection?" The Messenger of Allah ﷺ replied: "Is Allah who made them walk on their feet not powerful enough to make them walk on their faces and their heads?" The following verse depicts the scene of such crawling: