Scarcity Brain: Fix Your Craving Mindset and Rewire Your Habits to Thrive with Enough

by Michael Easter

Four hours of focused work a day seems to be the sweet spot for productivity. Our greatest thinkers throughout history like Charles Darwin, Charles Dickens, Ingmar Bergman, and G. H. Hardy swear by four hours. “Four hours creative work a day is about the limit,” said Hardy, one of history’s greatest mathematicians.