Let’s begin by thinking about some problems.
Think back over the past 24 hours. Note down some of the problems you encountered during that period. Think about the problems you solved and the ones you didn’t; the little problems and the bigger problems; problems that people presented to you and problems that you invented for yourself.
Go ahead, do it now, before reading on. Don’t turn the page until you’ve come up with some ideas.
My guess is that, whatever you noted down, you haven’t mentioned a whole host of problems that you solved without thinking about them: