<prompt> Lungiselela impendulo yalo mbuzo oyinkimbinkimbi: On the Knocking at the Gate in Macbeth uyindatshana eyabhalwa yimuphi umbhali wezincwadi waseNgilandi owaziwa kakhulu ngokuthi Confessions of an English Opium-Eater?  <response>: UThomas Penson De Quincey 