Charles George Gordon,
The Journals of Major-Gen. C. G. Gordon…
“ Or (have you read) the Hadith—He who has borne arms against us is not of us? Or the command of the prophet, on whom be blessing and peace (who says) , In killing [a Moslem] he has broken the staff (unity) of the Moslems, for their interests are one? And the Hadith—The believer is brother to the believer; he may not oppress him or betray him? And the Hadith—One believer is to another like (the stones of a) building; they support one another? ”
