The Mind is a Metaphor
A Database of Eighteenth-Century Metaphors of Mind
This collection of eighteenth-century metaphors of mind is part of ascholarly study of the metaphors and root-images appealed to by thenovelists, poets, dramatists, essayists, philosophers, belle lettrists,preachers, and pamphleteers of the eighteenth century. While thedatabase does include metaphors from classical sources, from Shakespeareand Milton, the King James Bible, and more recent texts, it does notpretend to any depth or density of coverage in literature other thanthat of the British eighteenth century.
EDIT: (Forgot the link) http://mind-metaphor.stanford.edu/