Image: Paolo Uccello’s 15th century 24 hour clock at the Florence cathedral. If you are a knowledge worker, you are most likely used to working fifty, sixty, even seventy hours a week. The higher numbers are standard in hi-tech culture, as seen for example in Silicon Valley. This fact has important ramifications that I explore in this post. The cold equations The basic equation governing our lifetime allocation is the following: Daily hours = Work hours + Life hours + Maintenance hours Where Life = family time, leisure, hobbies, reading, rest, etc. Maintenance = eating, sleeping, personal care, etc. And.. Read more