The things Tories say!
Reading the excellent Matthew Parris book 'Read my lips: the things politicians wish they hadn't said' one is reminded of this rather appropiate quote for our times:"In exceptional cases it is necessary to say something that is untrue to the House of Commons. The House of Commons understands that and has always accepted that"
William Waldegrave
(For my younger readers William Waldegrave was a Tory minister in the late 1980s - early 1990s who to all intents and purposes is indistinguishable from Oliver Letwin).