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The main task in life is simply this: to identify and separate matters so that I can say clearly to myself which are externals not under my control, and which have to do with the choices I actually control.
You can try and read my lyrics off of this paper before I lay 'em, but you won't take the sting out these words before I say 'em.
The human brain consists of many specialized circuits that evolved to solve specific problems our ancestors faced during our evolutionary history.