Surah Fussilat, Verse 10

وَجَعَلَ فِيهَا رَوَٰسِيَ مِن فَوۡقِهَا وَبَٰرَكَ فِيهَا وَقَدَّرَ فِيهَآ أَقۡوَٰتَهَا فِيٓ أَرۡبَعَةِ أَيَّامٖ سَوَآءٗ لِّلسَّآئِلِينَ١٠

wajaʿala fīhā rawāsiya min fawqihā wabāraka fīhā waqaddara fīhā aqwātahā fī arbaʿati ayyāmin sawāan lilssāilīna

And He placed on it [i.e., the earth] firmly set mountains over its surface, and He blessed it and determined therein its [creatures'] sustenance in four days without distinction - for [the information of] those who ask.