Surah At-Talaq (The Divorce), Verse 3

وَّیَرْزُقْهُ مِنْ حَیْثُ لَا یَحْتَسِبُ وَمَنْ یَّتَوَكَّلْ عَلَی اللّٰهِ فَهُوَ حَسْبُهٗ اِنَّ اللّٰهَ بَالِغُ اَمْرِهٖ قَدْ جَعَلَ اللّٰهُ لِكُلِّ شَیْءٍ قَدْرًا ۟

Wa yarzuqhu min haisu laa yahtasib; wa many yatawakkal 'alal laahi fahuwa hasbuh; innal laaha baalighu amrih; qad ja'alal laahu likulli shai'in qadraa

“And He provides for him from (sources) he never could imagine. And if any one puts his trust in Allah, sufficient is (Allah) for him. For Allah will surely accomplish his purpose: verily, for all things has Allah appointed a due proportion.”

Quran 65:3 (Yusuf Ali Translation)