'Owen turned to his third main interest, the earth sciences, doing his earnest but unscholarly best to tackle the Victorian debate between science and religion. He was soon "reading analysing, collecting, sifting and classifying Evidence" and "grappling as I never did before with the problem of Evolution". He read a statement of the Christian answer to Darwinism but contemptuously wrote "Shallow!" against its discussion of art. His conclusion was probably summed up in a comment he had marked in Keats's letters, "Nothing in this world is proveable"; when he met these words again in W.M. Rossetti's life of Keats, he added, "at least [italics] proved [end italics] W.O.".'