Folly to Be Wise is a 1952 British comedy film directed by Frank Launder and starring Alastair Sim, Elizabeth Allan, Roland Culver, Colin Gordon, Martita Hunt and Edward Chapman. It was written by James Bridie, John Dighton and Launder based on Bridie's play It Depends What You Mean. The film follows the efforts of a British Army chaplain attempting to recruit entertainment acts to perform for the troops and the complications that ensue when he does. The title is taken from the line by Thomas Gray "where ignorance is bliss, 'tis folly to be wise".