Surah At-Taghabun 64:17
إِن تُقْرِضُوا۟ ٱللَّهَ قَرْضًا حَسَنًا يُضَـٰعِفْهُ لَكُمْ وَيَغْفِرْ لَكُمْ ۚ وَٱللَّهُ شَكُورٌ حَلِيمٌ
If you loan Allāh a goodly loan, He will multiply it for you and forgive you. And Allāh is [most] Appreciative and Forbearing,
Translation: Saheeh International
Tafsir
If you lend God a good loan by giving voluntary alms out of the goodness of your hearts He will multiply it for you yudā‘ifhu a variant reading has yuda‘‘ifhu from tenfold up to seven hundredfold or more for each one — this loan being the giving of voluntary alms out of the goodness of the heart — and He will forgive …
Excerpt from Tafsir al-Jalalayn, commentary on 64:17, via Quran.com. The reader has the full commentary and 9 more tafsirs.