´'Umar bin Al-Khattab narrated that the Messenger of Allah (s.a.w) said:` "If you were to rely upon Allah with the required reliance, then He would provide for you just as a bird is provided for, it goes out in the morning empty, and returns full."
Hadith ReferenceSunan at-Tirmidhi / Chapters On Zuhd / Hadith: 2344
Hadith Gradingالألبانی:صحيح، ابن ماجة (4164)
Hadith Takhrij«سنن ابن ماجہ/الزہد 14 (4164) ( تحفة الأشراف : 10586) ، و مسند احمد (1/30، 52) (صحیح)»