In this episode of AI Startup School, Garry Tan interviews Elon Musk, delving into his entrepreneurial journey and insights on AI. Musk recounts his early days with Zip2, his move into PayPal, and his ventures with SpaceX and Tesla, emphasizing the importance of building useful technology and adhering to first principles. He shares anecdotes about his challenges, including almost failing with SpaceX and Tesla simultaneously, and stresses the need for a rigorous pursuit of truth in AI development. Musk also discusses the potential of humanoid robots, the necessity of becoming a multi-planetary species, and his current focus on creating a "super truthful AI" with xAI, while also touching upon Neuralink's potential to augment human capabilities.