Book notes: Forget the mania to clean up. Tim Harford in Messy: The Power of Disorder to Transform Our Lives says messy can be creative. (Bloomberg)

Quote of the Day

"(W)e humans are strange and often our own worst enemies, especially when it comes to trying to increase our exercise or reduce our weight."

(Gretchen Reynolds)

Chart of the Day

What you should watch on TV.

(wsj.com)