Like most people, there are many more things that I would like to do than I have time to do. I believe that learning to identify action items that simply should not be done is valuable, but not easy to do. I am mildly attention deficit in the sense that I can only think about or attend to one thing at a time. For a computer scientist, this has been a super power, but is personally inconvenient. I keep 3 TODO lists: TODO high priority - I tend to have 1 to 3 things on this list. I time box my activities so this list is the actions that I will rotate through. I usually work in 60 to 90 minute sprints, but for deep coding this may be 3 or 4 hours. TODO open - everything that I would like to do, but a lot of stuff on this list gets deleted with no further effort (the all important decisions on what not to do). TODO done - instead of deleting completed actions on "TODO high priority" I cut the text and paste the action text to the top of this list. I really like the F