23وَمِن آياتِهِ مَنامُكُم بِاللَّيلِ وَالنَّهارِ وَابتِغاؤُكُم مِن فَضلِهِ ۚ إِنَّ في ذٰلِكَ لَآياتٍ لِقَومٍ يَسمَعونَRashad KhalifaAmong His proofs is your sleeping during the night or the day, and your working in pursuit of His provisions. In this, there are sufficient proofs for people who can hear.