It has been supposed that, despite his opposition to Enlightenment principles, Blake arrived at a linear aesthetic that was in many ways more similar to the Neoclassical engravings of John Flaxman than to the works of the Romantics, with whom he is often classified. However, Blake's relationship with Flaxman seems to have grown more distant after Blake's return from Felpham, and there are surviving letters between Flaxman and Hayley wherein Flaxman speaks ill of Blake's theories of art. Blake further criticized Flaxman's styles and theories of art in his responses to criticism made against his print of Chaucer's Caunterbury Pilgrims in 1810.