Surah Fusilat (The Verses Prefectly Explained), Verse 10

وَجَعَلَ فِیْهَا رَوَاسِیَ مِنْ فَوْقِهَا وَبٰرَكَ فِیْهَا وَقَدَّرَ فِیْهَاۤ اَقْوَاتَهَا فِیْۤ اَرْبَعَةِ اَیَّامٍ سَوَآءً لِّلسَّآىِٕلِیْنَ ۟

Wa ja'ala feehaa rawaa siya min fawqihaa wa baaraka feehaa wa qaddara feehaaaa aqwaatahaa feee arba'ati ayyaamin sawaaa'al lissaaa'ileen

“He set on the (earth), mountains standing firm, high above it, and bestowed blessings on the earth, and measure therein all things to give them nourishment in due proportion, in four Days, in accordance with (the needs of) those who seek (Sustenance).”

Quran 41:10 (Yusuf Ali Translation)