Surah Ar-Rum 30:37
أَوَلَمْ يَرَوْا۟ أَنَّ ٱللَّهَ يَبْسُطُ ٱلرِّزْقَ لِمَن يَشَآءُ وَيَقْدِرُ ۚ إِنَّ فِى ذَٰلِكَ لَـَٔايَـٰتٍ لِّقَوْمٍ يُؤْمِنُونَ
Do they not see that Allāh extends provision for whom He wills and restricts [it]? Indeed in that are signs for a people who believe.
Translation: Saheeh International
Tafsir
Have they not seen have they not realised that God extends He makes abundant His provision to whomever He will as a test and straitens? and He restricts it for whomever He will as a trial? Surely in that there are signs for people who believe in them.
Excerpt from Tafsir al-Jalalayn, commentary on 30:37, via Quran.com. The reader has the full commentary and 9 more tafsirs.