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The way to learn about the mind is to reverse-engineer it: to figure out what natural selection designed it to accomplish.
With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.
The general population doesn't know what's happening, and it doesn't even know that it doesn't know.
The environment will appear different to different observers depending on what they are prepared to see.