Explained in Detail
سَنُرِيهِمْ ءَايَـٰتِنَا فِى ٱلْـَٔافَاقِ وَفِىٓ أَنفُسِهِمْ حَتَّىٰ يَتَبَيَّنَ لَهُمْ أَنَّهُ ٱلْحَقُّ ۗ أَوَلَمْ يَكْفِ بِرَبِّكَ أَنَّهُۥ عَلَىٰ كُلِّ شَىْءٍ شَهِيدٌ
We will show them Our signs in the horizons and within themselves until it becomes clear to them that it is the truth. But is it not sufficient concerning your Lord that He is, over all things, a Witness?
Nearby ayahs help place verse 41:53 in sequence and meaning.
وَإِذَآ أَنْعَمْنَا عَلَى ٱلْإِنسَـٰنِ أَعْرَضَ وَنَـَٔا بِجَانِبِهِۦ وَإِذَا مَسَّهُ ٱلشَّرُّ فَذُو دُعَآءٍ عَرِيضٍ
And when We bestow favor upon man, he turns away and distances himself; but when evil touches him, then he is full of extensive supplication.
قُلْ أَرَءَيْتُمْ إِن كَانَ مِنْ عِندِ ٱللَّهِ ثُمَّ كَفَرْتُم بِهِۦ مَنْ أَضَلُّ مِمَّنْ هُوَ فِى شِقَاقٍۭ بَعِيدٍ
Say, "Have you considered: if the Qur'an is from Allah and you disbelieved in it, who would be more astray than one who is in extreme dissension?"
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.