Abstract from this book chapter:
We often talk about time in terms of space: of looking forward to a brighter tomorrow, of troubles that lie behind us, or of music that played all through the night. The language of spatial motion also seems to be imported into time, as when we say that the holidays are approaching, or that a theory was proposed ahead of its time. Many researchers have noted an orderly and systematic correspondence between the domains of time and space in language...
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