One philosopher defined this concept as what is “subjectively felt by thought as differend.” Another philosopher described this concept as inducing a conscious turning away from one’s will and used light reflecting from a stone to exemplify its weak form. This is the first non-article in the title of a book featuring the chapter “How did Marx Invent the Symptom?” Jean-François Lyotard’s book Lessons on the Analytic of this concept analyzes an earlier philosopher’s division of (*) “mathematical” and “dynamical” types of it. Because this concept creates fear, it is likened to a thunderstorm in a critique by Immanuel Kant. A 1989 book by Slavoj Žižek (“SLAH-voy ZHEE-zhek”) is titled for this (-5[1])concept's Object of Ideology. For 10 points, name this aesthetic quality of greatness that Kant contrasts with the beautiful. (10[1])■END■ (10[2])