"Be aware of emotional toxins as well as physical toxins. Be aware of what you are thinking. Clear yourself at the end of every day. Try not to go to bed angry or distressed or anxious or jealous or envious."

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I've noticed that nowadays I'm doing a lot of stuff on the phone and on the computer, which I usually wouldn't do earlier. And I can feel my brain being rewired: I'm getting anxious, I'm getting more manic. Now, I'm an extreme case because I'm old and I'm overdoing it. But still, it's really interesting that I can actually feel a change in my neurochemistry from this interaction with the technology.

— George Saunders