Use the environment to remind you of what needs to be done. If you're afraid you'll forget to buy milk on the way home, put an empty milk carton on the seat next to you in the car or in the backpack you carry to work on the subway.

People who organize their time in a way that allows them to focus are not only going to get more done, but they'll be less tired and less neurochemically depleted after doing it.

Because our ancestors lived in social groups that changed slowly, because they encountered the same people throughout their lives, they could keep almost every social detail they needed to know in their heads.

Daniel Levitin Quotes