When the fire goes out, you'll start feeling the cold. You'll wake up whether you want to or not.
Haruki MurakamiBut actually time isn't a straight line. It doesn't ave a shape. In all senses of the term, it doesn't have any form. But since we can't picture something without form in our minds, for the sake of convenience we understand it as a straight line. At this point, humans are the only ones who can make that sort of conceptual substitution.
Haruki Murakami