I'll tackle a few issues that jump out at me.
a firm reasoning towards the general accepted belief
When you say "the general accepted belief," it sounds like you are talking about only one generally accepted belief without stating what that belief is. Do you mean generally accepted beliefs?
Art has got an unique charracterisation of ideas and the preference to art is limitted to certain people.
Omit "got" from this sentence. Watch your spelling ... characterization and limited
geographical ,political and economical is the clear evidence
Geographical, political, and economical are all adjectives and they need a noun with them. Geographical, political, and economical what? Studies? Sciences?
primarily to help the humankind
Articles are *very* difficult in English! In this particular case, you don't need one. Omit the word "the."
descent life for future
You want "decent" here instead of descent.
makes assure them a brightness in future.
assures them a bright future
The employ opportunities for art candidates
The works from history teaches
Historical works teach