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
The Prophet said, "None of you should spit in front or on his right but he could spit either on his left or under his foot."
Sahih Bukhari: Volume 1, Book 8, Number 404