وَهُوَ ٱلَّذِى خَلَقَ ٱلَّيْلَ وَٱلنَّهَارَ وَٱلشَّمْسَ وَٱلْقَمَرَ ۖ كُلٌّ فِى فَلَكٍ يَسْبَحُونَ
And it is He who created the night and the day and the sun and the moon; all [heavenly bodies] in an orbit are swimming.
The Prophets
وَهُوَ ٱلَّذِى خَلَقَ ٱلَّيْلَ وَٱلنَّهَارَ وَٱلشَّمْسَ وَٱلْقَمَرَ ۖ كُلٌّ فِى فَلَكٍ يَسْبَحُونَ
And it is He who created the night and the day and the sun and the moon; all [heavenly bodies] in an orbit are swimming.
Nearby ayahs help place verse 21:33 in sequence and meaning.
وَجَعَلْنَا فِى ٱلْأَرْضِ رَوَٰسِىَ أَن تَمِيدَ بِهِمْ وَجَعَلْنَا فِيهَا فِجَاجًا سُبُلًا لَّعَلَّهُمْ يَهْتَدُونَ
And We placed within the earth firmly set mountains, lest it should shift with them, and We made therein [mountain] passes [as] roads that they might be guided.
وَجَعَلْنَا ٱلسَّمَآءَ سَقْفًا مَّحْفُوظًا ۖ وَهُمْ عَنْ ءَايَـٰتِهَا مُعْرِضُونَ
And We made the sky a protected ceiling, but they, from its signs, are turning away.
وَمَا جَعَلْنَا لِبَشَرٍ مِّن قَبْلِكَ ٱلْخُلْدَ ۖ أَفَإِي۟ن مِّتَّ فَهُمُ ٱلْخَـٰلِدُونَ
And We did not grant to any man before you eternity [on earth]; so if you die - would they be eternal?
كُلُّ نَفْسٍ ذَآئِقَةُ ٱلْمَوْتِ ۗ وَنَبْلُوكُم بِٱلشَّرِّ وَٱلْخَيْرِ فِتْنَةً ۖ وَإِلَيْنَا تُرْجَعُونَ
Every soul will taste death. And We test you with evil and with good as trial; and to Us you will be returned.