Human beings, it seems, are at their best when immersed deeply in something challenging. - Cal Newport

How to study wisely: (1) don't skip classes; (2) study early in the day; (3) study in isolation; (4) keep your energy levels high; (5) actively recall the material and quiz yourself until you're completely satisfied.

Pushing past what is comfortable, however is only one part of the deliberate-practice story; the other part is embracing honest feedback — even if it destroys what you thought was good.

For many, the core question of “is this the best way to use technology to support this value?” leads them to carefully optimize services that most people fiddle with mindlessly.