a philosophy that prioritizes long-term meaning over short-term satisfaction. - Cal Newport

At the end of every week he prints his numbers to see how well he achieved this goal, and then uses this feedback to guide himself in the week ahead.

(1) Jot down new tasks and assignments on your list during the day; (2) next morning, transfer these new items from your list onto your calendar; and (3) then take a couple of minutes to plan your day.

A good career mission is similar to a scientific breakthrough — it’s an innovation waiting to be discovered in the adjacent possible of your field. If you want to identify a mission for your working life, therefore, you must first get to the cutting edge — the only place where these missions become visible.