Verily, those who have attained to faith and do good works, and are constant in prayer, and dispense charity - they shall have their reward with their Sustainer, and no fear need they have, and neither shall they grieve.
Al-Baqara (The Cow) Verse 277
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