"he burns bright in the forests of the night, writing his extraordinary paper "

Plate printed by the author, 1794
Public DomainPlate printed by the author, 1794 - Credit: William Blake
Paton is referencing William Blake’s poem The Tyger, published as part of Blake’s collection Songs of Experience in 1794.  It begins with the verse:

“Tyger, Tyger, burning bright

In the forests of the night;

What immortal hand or eye,

Could frame thy fearful symmetry?”