Hadith 'Umar said, "I heard the Messenger of

Hadith

'Umar said, "I heard the Messenger of Allah, may Allah bless him and grant him peace, say, "If you were to rely on Allah as He should be relied on, He would provide for you as He provides for the birds. They go out in the morning hungry and return in the evening full." [at-Tirmidhi]

Riyad as-Salihin (The Meadows of the Righteous) of Iman Mohieddine Annawawi 631-676.  Chapter 7: "Certainty and Trust in Allah", Hadith Number: 79.