# Chapter XLIII explained — The Life and Opinions of Tristram Shandy, Gentleman > Chapter companion for The Life and Opinions of Tristram Shandy, Gentleman by Laurence Sterne. ## What happens Walter Shandy paces the room, then sits to finish a chapter on auxiliary verbs, demonstrating how their varied tenses, questions, negatives, affirmatives, and hypotheticals can draw endless conceptions from any idea. He uses the example of a white bear to quiz Corporal Trim, who has never seen one, prompting a debate with Uncle Toby about the possibility of discoursing on something unseen. ## Themes in this chapter ### Knowledge and Philosophy Walter's discourse on auxiliary verbs and the white bear exemplifies the philosophical inquiry into how knowledge is constructed from simple ideas through language and hypothetical reasoning. ### The Absurdity of Systems The elaborate, almost comical breakdown of verb tenses and questions about a white bear highlights the absurdity of systematic attempts to derive comprehensive knowledge from trivial or absent experiences. ## Character check-ins ### Walter Shandy My father, who takes a turn across the room, sits down, and finishes the chapter on auxiliary verbs, using the white bear example to illustrate his philosophical method. ### Uncle Toby Queries his brother Walter about how Trim can discourse on a white bear without having seen one, showing his literal-mindedness. ### Corporal Trim Stands at the back of Walter's chair and replies that he has never seen a white bear, becoming the subject of Walter's hypothetical exercise. ## Key lines > Now, by the right use and application of these, continued my father, in which a child's memory should be exercised, there is no one idea can enter his brain, how barren soever, but a magazine of conceptions and conclusions may be drawn forth from it. Walter argues that if a child is trained to properly use auxiliary verbs and their variations, even the simplest idea can yield a wealth of insights and deductions. _Highlights Walter's pedagogical theory that language training unlocks latent knowledge from any concept._ > A white bear! Very well. Have I ever seen one? Might I ever have seen one? Am I ever to see one? Ought I ever to have seen one? Or can I ever see one? Would I had seen a white bear! (for how can I imagine it?) If I should see a white bear, what would I say? If I should never see a white bear, what then? Walter runs through a series of questions about a white bear to demonstrate how the auxiliary verbs can generate a full inquiry into existence, possibility, obligation, and hypothetical scenarios. _Illustrates Walter's method of using grammatical forms to explore all facets of an idea, even one as absurd as a white bear._ ## Links - HTML: https://www.betterreads.online/discover/tristram_shandy_se/chapters/xliii - Book: https://www.betterreads.online/discover/tristram_shandy_se - All chapters: https://www.betterreads.online/discover/tristram_shandy_se/chapters