The diversity of human cultures on our planet is a whole subject by itself. I am not referring to the cultures themselves, but to the differences between them. It is not always easy to define a culture in a few words. Some may say that to do so is to stereotype the varied people that make up a given culture. But surely there is a mean average that one can arrive at? After all, we all stereotype, don't we? One of the main functions of the brain is to make assumptions using stereotypes of the people, animals and objects we come across. It is simply not possible for us to function without this ability. We make human judgements based on our experiences and perceived knowledge.

For instance, if someone was to rush towards you with a raised fist, you would make a rapid assumption that they were about to attack you and would respond accordingly by running away or defending yourself. If, before this happened,