Surah Al-An'am 6:44

فَلَمَّا نَسُوا۟ مَا ذُكِّرُوا۟ بِهِۦ فَتَحْنَا عَلَيْهِمْ أَبْوَٰبَ كُلِّ شَىْءٍ حَتَّىٰٓ إِذَا فَرِحُوا۟ بِمَآ أُوتُوٓا۟ أَخَذْنَـٰهُم بَغْتَةً فَإِذَا هُم مُّبْلِسُونَ

So when they forgot that by which they had been reminded, We opened to them the doors of every [good] thing until, when they rejoiced in that which they were given, We seized them suddenly, and they were [then] in despair.

Translation: Saheeh International

Tafsir

So when they forgot when they neglected that whereof they were reminded that with which they were admonished and threatened in the way of misery and hardship; and they did not heed the admonition We opened read fatahnā or fattahnā to them the gates of all things in the way of graces in order to draw them on by degrees …

Excerpt from Tafsir al-Jalalayn, commentary on 6:44, via Quran.com. The reader has the full commentary and 9 more tafsirs.