Translation (Yusuf Ali): Those who spend (freely), whether in prosperity, or in adversity; who restrain anger, and pardon (all) men;- for Allah loves those who do good;-
This is verse 134 of Surah Aali Imran (آلِ عِمْرَان, meaning "The Family of Imran"), the 3th surah of the Quran. It is a Medinan surah with 200 total verses.
This verse is referenced in the following Quranic topics: How to Give Charity, Who enters Paradise, Forgiveness, Self-Restraint.