اتَّقِ اللَّهَ حَيْثُمَا كُنْتَ، وَأَتْبِعِ السَّيِّئَةَ الْحَسَنَةَ تَمْحُهَا، وَخَالِقِ النَّاسَ بِخُلُقٍ حَسَنٍ
English
Fear Allah wherever you are, follow a bad deed with a good deed and it will erase it, and treat people with good character.
Narrated by Abu Dharr
اتَّقِ اللَّهَ حَيْثُمَا كُنْتَ، وَأَتْبِعِ السَّيِّئَةَ الْحَسَنَةَ تَمْحُهَا، وَخَالِقِ النَّاسَ بِخُلُقٍ حَسَنٍ
English
Fear Allah wherever you are, follow a bad deed with a good deed and it will erase it, and treat people with good character.
Al-Tirmidhi grades it hasan sahih; it is one of the summary hadiths of the entire ethical tradition.