Trust in Allah's providence (tawakkul)

قُلْ إِنَّ رَبِّى يَبْسُطُ ٱلرِّزْقَ لِمَن يَشَآءُ وَيَقْدِرُ وَلَـٰكِنَّ أَكْثَرَ ٱلنَّاسِ لَا يَعْلَمُونَ

Say, "Indeed, my Lord extends provision for whom He wills and restricts [it], but most of the people do not know."