• But especially he loved to run in the dim twilight of the summer midnights, listening to the subdued and sleepy murmurs of the forest, reading signs and sounds as a man may read a book, and seeking for the mysterious something that called -- called, waking or sleeping, at all times, for him to come.

    Jack London (1992). “The Call of the Wild and White Fang”, p.58, Wordsworth Editions