"Then, surely We are most knowing of those who are most worthy of burning therein," meaning: those who shall endure the burning therein.
﴿ثُمَّ لَنَحْنُ أَعْلَمُ بِالَّذِينَ هُمْ أولى بهَا صليا﴾ يَعْنِي: الَّذين يصلونها
