My once-keen analytical mind ...

My once-keen analytical mind has become so dulled by endless hours of baking in the hot sun, thrashing about in tight chimneys, pulling at impossibly heavy loads, freezing my ass off.... so that now my mental state is comparable to that of a Peruvian Indian, well stoked on coca leaves.
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 Warren G. Harding

Quotes from the same author

Every student has the ability to be a successful learner.
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 Warren G. Harding
There is something inherently wrong, something out of accord with the ideals of representative democracy, when one portion of our citizenship turns its activities to private gain amid defensive war while another is fighting, sacrificing, or dying for national preservation.
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 Warren G. Harding
I do recall that El Cap seemed to be in much better condition than I was.
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 Warren G. Harding