And Jesus gave them leave. And the unclean spirits went out, and entered into the swine: and the herd ran violently down a steep place into the sea, (there were about two thousand;) and were drowned in the sea.
All Commentaries on Mark 5:13 Go To Mark 5
George Leo Haydock
AD 1849
Jesus Christ permitted the devil to destroy these swine, that from their destruction, the men of that country might take the alarm, and be converted. (Ven. Bede)