I suspect that terrorists who contend that their terrorism is merely an unfortunately necessary means to a good ideological end may well be deluding themselves, and that in many cases what they particularly enjoy is the mayhem of terrorism itself, and that any ideology that seemed to provide an excuse for it would thereby gain in attractiveness.
(J. J. C. Smart, Ethics, Persuasion and Truth, International Library of Philosophy, ed. Ted Honderich [London: Routledge & Kegan Paul, 1984], 132)