To lack confidence at the outset seems rational to me. It doesn’t matter that something you’ve done before worked out well. Your last piece is never … - Cal Newport

Efforts to deepen your focus will struggle if you don’t simultaneously wean your mind from a dependence on distraction.

This, ultimately, is the lesson to come away with from our brief foray into the world of experimental psychology: To build your working life around the experience of flow produced by deep work is a proven path to deep satisfaction.

Deep Work: Professional activities performed in a state of distraction-free concentration that push your cognitive capabilities to their limit. These efforts create new value, improve your skill, and are hard to replicate.