type of prison

nationalism, genderism, localism, sexism, materialism, racism and blind belief in religion, custom and culture are prison of mind, and most people are living in some form of prison, but they can't realize it, and in fact, they are trying to keep and expand their prison. it's sadness for life, for true life.

people are creature of continent, their lives rely on the earth, their food mostly come from earth, maybe it's the reason why human are getting so stubborn and so hard for them to change their mind to new. the road of evolving is long..