Oneness, Uniqueness of Allah (Tawheed)

Bukhari :: Book 9 :: Volume 93 :: Hadith 542

Narrated Anas:

The Prophet said, "Some people who will be scorched by Hell (Fire) as a punishment for sins they have committed, and then Allah will admit them into Paradise by the grant of His Mercy. These people will be called, 'Al-JahannamiyyLin' (the people of Hell)."