Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
ahmad-zuhd:1389ʿAbdullāh from my father > Hāshim > al-Mubārak > ʿAbdullāh b. Muslim b. Yasār from his father

[Machine] "If you wear a garment and believe that you are better in that garment than others, then that garment is indeed bad for you."  

الزهد لأحمد:١٣٨٩حَدَّثَنَا عَبْدُ اللَّهِ حَدَّثَنِي أَبِي حَدَّثَنَا هَاشِمٌ حَدَّثَنَا الْمُبَارَكُ عَنْ عَبْدِ اللَّهِ بْنِ مُسْلِمِ بْنِ يَسَارٍ عَنْ أَبِيهِ قَالَ

«إِذَا لَبِسْتَ ثَوْبًا وَظَنَنْتَ أَنَّكَ فِي ذَلِكَ الثَّوْبِ أَفْضَلُ مِمَّا فِي غَيْرِهِ فَبِئْسَ الثَّوْبُ هُوَ لَكَ»