It is often argued that، studing in previous time has impect in our life now.In my point of view I believe that history lead everyone in our life now and it's an important source for information nowadays.Some would think that studying the past is pointless because it does not add any value to their future. History is rarely bring information about how people can enhance and improve their quality of life, and therefore, they would rather focus on studying science and technology than learing something is outdated. Besides to this point, some historical events is interpreted based on personal perspectives to achive personal gains, such as authority, power, and money, affecting negatively people's religion and culture. for these reasons, returning back to the past would only bring old and falisfied knowledge, which arent containing any siginifiance value at all to today's lifestyle.