Red John to act on his orders. In Cho's interpretation, he refers to a third, and earlier poem by William Blake, called "The Lamb" to which "Tyger Tyger" is a response or a further musing on the different parts of creation and the reasons for them, as started in "The Lamb". Actually, Blake himself refers to "The Lamb" in "Tyger! Tyger!", in the last line of the fifth verse: Did he who made the Lamb make thee? In the season 6 episode "Red Listed", there is a revelation by Bob Kirkland (Kevin Corrigan) as to what "Tyger Tyger" means. Kirkland reveals to
Burning Bright was too long and too literary by the producers of the play led to the change to the shorter excerpt from the same poem: "Burning Bright". Friend Ed has been pointed out as one in a line of characters inspired by Steinbeck's best friend Ed Ricketts. At the time Steinbeck wrote "Burning Bright", Ricketts had recently been killed in a car accident, and as well as reflecting his friend's character in that of Friend Ed, it is thought that the settings of the circus and the sea may have had significance for Steinbeck: he had apparently been at the circus