and bring upon themselves swift destruction; either in this life, being suddenly cut off in the midst of their days, and by the immediate hand of God, as Arius and other heretics have been; or eternal damnation in the other, which their tenets lead unto, and which will swiftly come upon them when they are promising themselves peace and safety.
This is an important point.. swift destruction is not necessarily damnation, it may be a physical destruction .