Surah Ar-Rum 30:36

وَإِذَآ أَذَقْنَا ٱلنَّاسَ رَحْمَةً فَرِحُوا۟ بِهَا ۖ وَإِن تُصِبْهُمْ سَيِّئَةٌۢ بِمَا قَدَّمَتْ أَيْدِيهِمْ إِذَا هُمْ يَقْنَطُونَ

And when We let the people taste mercy, they rejoice therein, but if evil afflicts them for what their hands have put forth, immediately they despair.

Translation: Saheeh International

Tafsir

And when We let people that is people such as the disbelievers of Mecca and others taste some mercy some grace they exult in it an exultation of arrogance. But if some evil some hardship befalls them for what their own hands have sent ahead behold! they despair of mercy. …

Excerpt from Tafsir al-Jalalayn, commentary on 30:36, via Quran.com. The reader has the full commentary and 9 more tafsirs.