'Umarsaid:
"I heard the Messenger of Allah (ﷺ) say: 'If you weretorely upon Allah with the reliance He is due, you would be givenprovision like the birds: They go out hungry in the morning and comeback with full bellies in the evening." (FR)
English reference (FR): Vol. 5, Book 37, Hadith 4164 (FR)
Arabic reference (FR): Book 37, Hadith 4303 (FR)