Sahih Bukhari
Judgments (Ahkaam)
Volume: 009 / Book Number: 089 / Hadith Number: 255
Narrated 'Abdullah:
Allah's Apostle said, "Do not wish to be like anyone, except in two cases: (1) A man whom Allah has given wealth and he spends it righteously. (2) A man whom Allah has given wisdom (knowledge of the Quran and the Hadith) and he acts according to it and teaches it to others."