Core Viewpoint - The article highlights the frugal lifestyle of Guo Lusi, a billionaire and founder of the AI startup Scale AI, emphasizing that true wealth does not require ostentatious displays of luxury [1][2][3]. Group 1: Personal Philosophy and Lifestyle - Guo Lusi, despite her billionaire status, prefers a modest lifestyle, often opting for budget-friendly choices like wearing clothes from Shein and using an old Honda Civic for transportation [3][4]. - She believes that the need to showcase wealth is a trait of millionaires, while billionaires do not feel the same pressure to prove their success [4][5]. - Guo Lusi's approach to life is summarized by her belief that "pretending to be poor can help one stay rich," reflecting a mindset that values substance over superficiality [3][5]. Group 2: Wealth Perception and Social Dynamics - The article discusses how many billionaires adopt a low-key lifestyle to avoid societal backlash against wealth, with Guo Lusi stating that there is a cultural sentiment in the U.S. that resents billionaires [7]. - She acknowledges that many wealthy individuals have gone through a phase of flaunting their wealth but eventually realize the futility of such behavior [7][6]. - The article contrasts Guo Lusi's frugality with the more extravagant lifestyles of some millionaires, suggesting that true wealth is often accompanied by a desire for authenticity rather than ostentation [4][6].