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), ktorý obsahoval koncept dedičnej pamäte, obsahuje pasáž s nasledovným znením: "Nor...did any of my human kind ever break through the wall of my sleep."