Michael Ots translates 1 Corinthians 3:17 with some flair and trembling.
John Piper adds: there are two ways to remove a foundation and destroy a church. One is to attack the foundation directly and break it up. The other is to slowly and subtly reshape the edifice so that its contours don't rest on the foundation any more. Paul says, If a teacher does that to a church he will pay with his eternal lifeThat's (a part of) what I call a love the church mentality.
John Gill: "Him God shall destroy" body and soul in hell; for as their wicked principles and heretical notions are pernicious to others, they are damnable to themselves, and will bring upon them that judgment which lingereth not, and that damnation which slumbereth not.
Robert Jamieson: eternal death is the penalty of marring the spiritual temple—the Church