It was a lovely night, so warm that he threw his coat over his arm and did not even put his silk scarf round his throat. As he strolled home, smoking his cigarette, two young men in evening dress passed him.

– Oscar Wilde

The Picture of Dorian Gray, Chapter 20. The opening lines of the final chapter describes the loveliness and warmth of the night as Dorian walked home. This is a perfect example of ironic foreshadowing, as what happens inside Dorian’s mension will be anything but lovely and warm.