It was narrated from Ibn 'Umar that:
The Prophet said: "Whoever seeks knowledge for a reason other than the sake of Allah, or intends it for a purpose other than for the sake of Allah, let him take his place in hell." (JA)
English reference (JA): Vol. 1, Book 1, Hadith 258 (JA)
Arabic reference (JA): Book 1, Hadith 269 (JA)