I am learning that justice is not easy to achieve. I thought I could become a good person. But every time I am requested to help someone, I meet a risk of being unfair to some other. Maybe an individual can never be righteous to all, because they cannot know all the hidden cries and details. You need a device that can fundamentally and ultimately benefit all and you must stick to use it. Individual charity, whether it is monetary or behavioral, is almost dangerous in achieving fair system.