fiddle while Rome burns
Occupy oneself with unimportant matters and neglect important ones during a crisis. For example, The account was falling through, but he was more worried about missing his golf gametalk about fiddling while Rome burns! This expression alludes to the legend that the Emperor Nero played his fiddle while watching the conflagration of Rome. [Mid-1600s]
Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.