Authors:

O my poor old Harry Jekyll, if ever I read Satan's signature upon a face, it is on that of your new friend.

Robert Louis Stevenson (2015). “The Strange Case of Dr. Jekyll and Mr. Hyde (Classic Unabridged Edition): Psychological thriller by the prolific Scottish novelist, poet and travel writer, author of Treasure Island, Kidnapped, Catriona, The Black Arrow and A Child's Garden of Verses”, p.11, e-artnow
O my poor old Harry Jekyll, if ever I read Satan's signature upon a face, it is on that of your new friend.