ENOfficial
Abu Musa reported that God’s messenger said, “The heart is like a feather in desert country which the winds keep turning over and over.” Ahmad transmitted it.
Source: sunnah.com
Other translations
Arabic
وَعَنْ أَبِي مُوسَى قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «مَثَلُ الْقَلْبِ كَرِيشَةٍ بِأَرْضِ فَلَاةٍ يُقَلِّبُهَا الرِّيَاحُ ظَهْرًا لِبَطْنٍ» . رَوَاهُ أَحْمد
sunnah.com