because he had often been bound with shackles and chains, and the chains had been torn apart by him and the shackles broken in pieces; and no one was strong enough to subdue him.
For He had already commanded the unclean spirit to come out of the man. For it had seized him many times; and he was bound with chains and shackles and kept under guard, and yet he would break the restraints and be driven by the demon into the desert.