Mark 5:10

And he besought him much,.... The devil that was at the head of this legion, who had the rest under his command, he, in their name, and on their behalf, entreated Jesus with great earnestness. This shows the authority Christ has over the devils, and their subjection to him; they are not only obliged to quit their former possession, when he gives orders, but they cannot go any where else, or where they would, without his leave: though the man they were in could not be bound and held with chains and fetters of iron, through the great strength they put forth in him; yet these themselves are bound and held in chains, and cannot move without Christ's permission, or as he is pleased to lengthen out the chain unto them: and though they are no humble supplicants to him for grace and mercy, yet they are, that they may continue where they are; or be suffered to be somewhere else, to do mischief to the souls and bodies of men: and though they are such proud spirits, they be, they are very willing to humble themselves and in the most submissive and pressing manner ask a favour, even of him whom they hate, when they have an end to answer by doing injury to others; and in this, as well as in many other things, they are imitated by them who are truly called the children of the devil, and do the lusts of him their father.