Douglas Adams
462 citations

Time, we know, is relative. You can travel light years through the stars and back, and if you do it at the speed of light then, when you return, you may have aged mere seconds while your twin brother or sister will have aged twenty, thirty, forty or however many years it is, depending on how far you traveled. This will come to you as a profound shock, particularly if you didn't know you had a twin brother or sister. ✨ Douglas Adams (2012). The Hitchhiker's Guide to the Galaxy: The Trilogy of Five, p.706, Pan Macmillan

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