" I guess basically one wants to feel that one’s life has amounted to more than just consuming products and generating garbage. I think that one likes to look back and say that one’s done the best one can to make this a better place for others. You can look at it from this point of view: What greater motivation can there be than doing whatever one possibly can to reduce pain and suffering? "

― Peter Singer , The Life You Can Save: How to Do Your Part to End World Poverty