A shutdown habit, therefore, is not necessarily reducing the amount of time you’re engaged in productive work, but is instead diversifying the type o… - 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.

Doing things we know how to do well is enjoyable, and that’s exactly the opposite of what deliberate practice demands….

the skillful management of attention is the sine qua non of the good life and the key to improving virtually every aspect of your experience.