We’re all good when it suits us, he used to say: that doesn’t count. It’s when you want so badly to do something wrong—when you’re about to make a fortune from a dishonest deal, or kiss the lovely lips of your neighbor’s wife, or tell a lie to get yourself out of terrible trouble—that’s when you need the rules. Your integrity is like a sword, he would say: you shouldn’t wave it until you’re about to put it to the test.
Ken FollettWhy was it, Lloyd wondered, that the people who wanted to destroy everything good about their country were the quickest to wave the national flag?
Ken Follett