C.S. Lewis on Christianity and Miracles
"One is very often asked as present whether we could not have a Christianity stripped, or, as people who ask it say, 'freed' from its miraculous elements, a Christianity with the miraculous elements suppressed. Now, it seems to me that precisely the one religion in the world, or at least the only one I know, with which you could not do that is Christianity…" Link to complete essay The Grand Miracle. (Includes an excellent animated doodle).
http://bit.ly/2oU6Bjq