>>4
Then everyone must be turned into a jigsaw puzzle, because it is impossible for someone to be 100% self-less and put 100% effort into making the world a better place for everyone else. Such a mythical person would share many of the beliefs that good people bear, such as truth and the recognition that others are sentient, but they would be absent of any responsibility towards themselves. Since people will always find it difficult to be good, they must be taught beliefs that give reason for them to be good and be made to live comfortably so it is not difficult for them to sacrifice some of their efforts to be good to others.