In the 1920s, the psychiatrist Carl Jung built a two-storeyed retreat near the banks of Lake Zurich. Returning from India several years later, where he had been impressed by meditation rooms he saw, he added a private office that no one was allowed to enter. His mornings were spent writing in that space and his afternoons in meditation or in walks in the countryside. In Deep Work, a call to arms to block the distractions of email and social media in order to do thoughtful, original work, Cal Newport begins his book with this description of Jung’s aerie being critical