ENOfficial
Al-Miqdad b. al-Aswad told that he heard God's messenger say, "The happy man is he who avoids dissensions; the happy man is he who avoids dissensions; the happy man is he who avoids dissensions; but how fine is the man who is afflicted and shows endurance." Abu Dawud transmitted it.
Source: sunnah.com
Other translations
Arabic
وَعَن الْمِقْدَاد بن الْأسود قَالَ: سَمِعْتُ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يَقُولُ: «إِنَّ السَّعِيدَ لَمَنْ جُنِّبَ الْفِتَنَ إِنَّ السَّعِيدَ لَمَنْ جُنِّبَ الْفِتَنَ إِنَّ السَّعِيدَ لَمَنْ جُنِّبَ الْفِتَنَ وَلَمَنِ ابْتُلِيَ فَصَبَرَ فَوَاهًا» . رَوَاهُ أَبُو دَاوُد
sunnah.com