“Even if your feet tremble, even if your arms ache, even if your chest bleeds, stop not till you've lifted the world.” SacrificeHumanitarianService Of HumanityHumanitarianismServing PeopleChange The WorldServing HumanityServing SocietySacrifice For OthersBe The World Book:Mad About Humans: World Maker's Almanac Source: Mad About Humans: World Maker's Almanac