He sat down because He had dealt with every high thing under the earth, on the earth and above the earth that rivals the Kingdom of God and its citizens.  We wrestle not against flesh and blood, but principalities and powers and rulers of darkness of this age and spiritual wickedness in high places and in the Name of Jesus we can overcome them.  Jesus destroyed them at the cross, but the whiles of the devil continue to seek to steal, kill and destroy the abundant like that Jesus has given us.

Discover that we have:

The Right To Exercise Authority, The Power To Rule and; The Power to Speak Commands That Must Be Obeyed.  Your authority is centered in your faith.  Your faith coupled with the word of God released His power for your life.