Justice

Does justice really exsists in this world?In this place I'm living in, i don't think so.Many things happen to me but it doesn't fall on others why is that so?For example:i was caught cheating in school but i didin't thought that the one that expose me was my partners who was also cheating in the exam.They weren't satisfy about their results because among them i was the highest.When i was being questioned by the disiplin teacher about my behavior i was thinking in my mind whether i should tell him about the names that cheated in the exam.But sadly i didn't,because of my kind heart who persuaded me to let it go.