On Deja Vu:

We have all some experience of a feeling, that comes over us occasionally, of what we are saying and doing having been said and done before, in a remote time – of our having been surrounded, dim ages ago, by the same faces, objects, and circumstances – of our knowing perfectly what will be said next, as if we suddenly remembered it! I never had this mysterious impression more strongly in my life, than before he uttered those words.

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[Text from Charles Dickens’, David Copperfield, Chapter 39)