40لَا الشَّمسُ يَنبَغي لَها أَن تُدرِكَ القَمَرَ وَلَا اللَّيلُ سابِقُ النَّهارِ ۚ وَكُلٌّ في فَلَكٍ يَسبَحونَLaleh BakhtiarIt is not fit and proper for the sun to overtake the moon nor the nighttime one to take the lead over the daytime. They each swim in an orbit.