The sceptre is a symbol of power and authority, both earthly and divine.  It can symbolize the authority of a minister, king or military leader.  It can represent transmission of the life force.  In the form of a magic wand, it symbolizes magic and miraculous powers.  It is a symbol of learning and literature.  The archangel Gabriel, as well as various sky gods of other religions, carry a sceptre to enforce divine order and divine law.  The was sceptors of ancient Egypt were sometimes buried with important people to protect them in the afterlife.