True missions, it turns out, require two things. First you need career capital, which requires patience. Second, you need to be ceaselessly scanning … - Cal Newport

To maximize your chances of success, you should deploy small, concrete experiments that return concrete feedback.

As Ericsson explains, “Most individuals who start as active professionals… change their behavior and increase their performance for a limited time until they reach an acceptable level. Beyond this point, however, further improvements appear to be unpredictable and the number of years of work… is a poor predictor of attained performance.” Put another way, if you just show up and work hard, you’ll soon hit a performance plateau beyond which you fail to get any better.

When an entire cohort unintentionally eliminated time alone with their thoughts from their lives, their mental health suffered dramatically. On reflection, this makes sense. These teenagers have lost the ability to process and make sense of their emotions, or to reflect on who they are and what really matters, or to build strong relationships, or even to just allow their brains time to power down their critical social circuits, which are not meant to be used constantly, and to redirect that energy to other important cognitive housekeeping tasks. We shouldn’t be surprised that these absences lead to malfunctions.