People simply have to accept these differences, whether they know the person or not. Just as there is diversity in our cultures, there is moral diversity. Cosmopolitanism encourages moral diversity because these new beliefs help societies through their different perspectives and approaches. Overall, it is crucial that people, despite their cultural differences, at least share beliefs about what is right and wrong. The fact that other cultures exist is proof that there is a moral code because many agree on what is right and wrong, but they may only have some slight differences based on their cultural ideals. Cosmopolitans allow diverse people to thrive in their cultures, if and only if they accept each other's differences enough to