Where Angels Fear to Tread

Where Angels Fear to Tread (1905) is a novel by E. M. Forster, originally entitled Monteriano. The title comes from a line in Alexander Pope's An Essay on Criticism: "For fools rush in where angels fear to tread".

In 1991 it was made into a film by Charles Sturridge, starring Rupert Graves, Giovanni Guidelli, Helen Mirren, Helena Bonham Carter, and Judy Davis. - from Wikipedia