Answer:
Their holy book, the Vedas, is the ultimate authority according to Hindus. Truth is something that Hindus strive for, because they believe that truth is eternal. They believe in reincarnation, or that you come back again after you die. They also believe in karma, that the good and bad things in your life will even out eventually due to how the world treats you. They were polytheistic, they worshipped many gods and deities.