Sahih Bukhari
Holding Fast to the Quran and Sunnah
Volume: 009 / Book Number: 092 / Hadith Number: 384
Narrated Abu Huraira:
Allah's Apostle said, "All my followers will enter Paradise except those who refuse." They said, "O Allah's Apostle! Who will refuse?" He said, "Whoever obeys me will enter Paradise, and whoever disobeys me is the one who refuses (to enter it)."