John Ruskin “The stones of Venice (cont'd) Seven lamps of architecture. Lectures on architecture and painting, delivered at Edinburgh in Nov. 1853. An inquiry into some of the conditions at present affecting the study of architecture in our schools”
David Hume (1874). “A Treatise on Human Nature: Being an Attempt to Introduce the Experimental Method of Reasoning Into Moral Subjects; and Dialogues Concerning Natural Religion”, p.152