Sahih Bukhari
Oneness, Uniqueness of Allah (Tawheed)
Volume: 009 / Book Number: 093 / Hadith Number: 620
Narrated Salim's father:
The Prophet said, "Not to wish to be the like of except the like of two (persons): a man whom Allah has given the knowledge of the Quran and he recites it during the hours of the night and the hours of the day; and a man whom Allah has given wealth and he spends it (in Allah's Cause) during the hours of the night and during the hours of the day."