Al Quran: Verily, ALLAH provides sustenance (Rizq) to whom He wills, without limit.

Bismillahirrahmanirrahim

Al Quran: Verily, ALLAH provides sustenance (Rizq) to whom He wills, without limit.

Surah Aal-e-imran (3) verse 37

Al Quran : And whoever fears ALLAH - He will make for him a way out (from every difficulty). And He will provide him sustenance from where he does not expect. And whosoever puts his trust in ALLAH, then He will suffice him. Verily, ALLAH will accomplish his purpose. Indeed ALLAH has set a measure for all things.|

Al Quran , Surah At-Talaq (65) , Verse 2-3

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Hadith: Its Narrated by Umar bin Al-Khattab Radi Allahu Anhu that the Messenger of Allah Sal-Allahu Alaihi Wasallam 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.

Jamia Tirmidhi, Vol. 4, Book 10, 2344-Hasan

And no moving (living) creature is there on earth but its provision is due from ALLAH. And He knows its dwelling place and its deposit . All is in a Clear Book

Al Quran, Surah Hud (11) , Aayah 6