Jack London's 1906 novel Before Adam, which concerns the concept of hereditary memory, contains the passage, "Nor...did any of my human kind ever break through the wall of my sleep."
Román Jacka Londona Before Adam (1906), který obsahoval koncept dědičné paměti, obsahuje pasáž s tímto zněním : "Nor ... did any of my human kind ever break through the wall of my sleep. "