AR-RUUM — Ayat 8
أَوَلَمْ يَتَفَكَّرُوا فِي أَنفُسِهِمْ مَا خَلَقَ اللَّهُ السَّمَاوَاتِ وَالْأَرْضَ وَمَا بَيْنَهُمَا إِلَّا بِالْحَقِّ وَأَجَلٍ مُّسَمًّى وَإِنَّ كَثِيراً مِّنَ النَّاسِ بِلِقَاء رَبِّهِمْ لَكَافِرُونَ
Do they not contemplate within themselves? Allah has not created the heavens and the earth and what is between them except in truth and for a specified term. And indeed, many of the people, in [the matter of] the meeting with their Lord, are disbelievers.
Tafsir Ibnu Katsir
أَوَلَمْ يَتَفَكَّرُواْ فِى أَنفُسِهِمْ
8. Do they not reflect upon themselves) Thinking and pondering how Allah created various things in the upper and lower realms and in the space between, realizing that this was not created in jest or in vain, but in truth, and that it will continue until an appointed time, the Day of Resurrection, as Allah says: