Sahih Bukhari
Sahih Bukhari Volume 007, Book 072, Hadith Number 674.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 72. Dress
Narrated By 'Abdullah bin 'Umar : Allah's Apostle said, 'Allah will not look at the person who drags his garment (behind him) out of conceit."