Surah Fussilat 41:54
أَلَآ إِنَّهُمْ فِى مِرْيَةٍ مِّن لِّقَآءِ رَبِّهِمْ ۗ أَلَآ إِنَّهُۥ بِكُلِّ شَىْءٍ مُّحِيطٌۢ
Unquestionably, they are in doubt about the meeting with their Lord. Unquestionably He is, of all things, encompassing.
Translation: Saheeh International
Tafsir
Nay verily they are in doubt about the encounter with their Lord because they deny the Resurrection. Nay verily He exalted be He encompasses all things in knowledge and in power and so He will requite them for their disbelief.
Excerpt from Tafsir al-Jalalayn, commentary on 41:54, via Quran.com. The reader has the full commentary and 9 more tafsirs.