To remain valuable in our economy, therefore, you must master the art of quickly learning complicated things. - Cal Newport

I have been a happy man ever since January 1, 1990, when I no longer had an email address. I’d used email since about 1975, and it seems to me that 15 years of email is plenty for one lifetime. Email is a wonderful thing for people whose role in life is to be on top of things. But not for me; my role is to be on the bottom of things. What I do takes long hours of studying and uninterruptible concentration.

craftsman mindset focuses on what you can offer the world, the passion mindset focuses instead on what the world can offer you. This mindset is how most people approach their working lives.

The thought process that went into building these applications, Facebook being the first of them, . . . was all about: “How do we consume as much of your time and conscious attention as possible?” And that means that we need to sort of give you a little dopamine hit every once in a while, because someone liked or commented on a photo or a post or whatever.