Christianity
James 1:27
New International Version (NIV)
27 Religion that God our Father accepts as pure and faultless is this: to look after orphans and widows in their distress and to keep oneself from being polluted by the world.
http://mobile.biblegateway.com/passage/ ... ersion=NIV
Stoicism
Epictetus:
"Man is disturbed not by things, but by the views he takes of them." (Ench. 5)
"Freedom is secured not by the fulfilling of men's desires, but by the removal of desire." (iv.1.175)
Marcus Aurelius:
"Get rid of the judgment, get rid of the 'I am hurt,' you are rid of the hurt itself." (viii.40)
Islam
“If anyone slays a person, it would be as if he slew the whole people: and if any one saved a life, it would be as if he saved the life of the whole people.”