“Not enough is said about the power of thinking about one topic for a long period of time.

If you revisit a topic continually for a few years, most problems (and many solutions) will occur to you at some point.

Expertise can be the gradual accumulation of many modest insights.”

This means that if we switch what we pay attention to more often than, say, every 30 minutes, our system will be more or less decohered—different parts will be “attending to” different aspects of reality.2 There will be “attention residue” floating around in our system—leftovers from earlier things we paid attention to