Behold, as for those who are bent on denying the truth and die as deniers of the truth -their due is rejection by God, and by the angels,, and by all [righteous] men.
Al-Baqara (The Cow) Verse 161
Allah's Apostle said, "If anyone of you enters a mosque, he should pray two Rakat before sitting."
Sahih Bukhari: Volume 1, Book 8, Number 435