Full Sharh — An-Nawawi's Forty Hadith 18
عَنْ أَبِي ذَرٍّ جُنْدَبِ بْنِ جُنَادَةَ، وَأَبِي عَبْدِ الرَّحْمَنِ مُعَاذِ بْنِ جَبَلٍ رَضِيَ اللَّهُ عَنْهُمَا، عَنْ رَسُولِ اللَّهِ صلى الله عليه و سلم قَالَ: اتَّقِ اللَّهَ حَيْثُمَا كُنْت، وَأَتْبِعْ السَّيِّئَةَ الْحَسَنَةَ تَمْحُهَا، وَخَالِقْ النَّاسَ بِخُلُقٍ حَسَنٍ . رَوَاهُ التِّرْمِذِيُّ [رقم:1987] وَقَالَ: حَدِيثٌ حَسَنٌ، وَفِي بَعْضِ النُّسَخِ: حَسَنٌ صَحِيحٌ
English Translation
On the authority of Abu Dharr Jundub ibn Junadah, and Abu Abdur-Rahman Muadh bin Jabal (may Allah be pleased with him), that the Messenger of Allah (peace and blessings of Allah be upon him) said: Have taqwa (fear) of Allah wherever you may be, and follow up a bad deed with a good deed which will wipe it out, and behave well towards the people. It was related by at-Tirmidhi, who said it was a hasan (good) hadeeth, and in some copies it is stated to be a hasan saheeh hadeeth
Source
An-Nawawi's Forty Hadith(الأربعون النووية)
Forty Hadith of an-Nawawi
Hadith Number
18