But may the God of all grace, who called you to his eternal glory by Christ Jesus, after you have suffered a little while, perfect, establish, strengthen, and settle you.
Something was about to happen which would indeed break the hearts of many Christians, recalling the words spoken by the blessed Christ who "learned obedience by the things which he suffered, having been made perfect"  (Hebrews 5:8,9).  Many of the precious saints would be "made perfect" in the same sense, through the awful things they were about to suffer.