John Steinbeck said this quote

“ Literature is as old as speech. It grew out of human need for it and it has not changed except to become more needed. The skalds, the bards, the writers are not separate and exclusive. From the beginning, their functions, their duties, and their responsibilities have been decreed by our species... the writer is delegated to declare and to celebrate man's proven capacity for greatness of heart and spirit - for gallantry in defeat, for courage, compassion and love. In the endless war against weakness and despair, these are the bright rally flags of hope and of emulation. I hold that a writer who does not passionately believe in the perfectibility of man has no dedication nor any membership in literature. ”