The article features a repost of letters discussing the founding of Palantir, focusing on insights from Joe Philleo and Joe Lonsdale. Philleo's essay, dated 2017, provides a deep analytical perspective on Palantir's origins. He highlights that Peter Thiel and Lonsdale established the company in response to the existential threat posed by terrorism after 9/11. Thiel's vision was to create a system that could operate covertly while preserving civil liberties, aiming to balance the need for security with individual freedoms. The name "Palantir," referencing the seeing stones from "Lord of the Rings," symbolizes the intended purpose and limitations of the system, emphasizing surveillance without overreach. Lonsdale's essay, written in 2019, reflects on the ethical considerations of Palantir's technology. He asserts that the founders were acutely aware of the moral implications of their work. Lonsdale notes that many military personnel have expressed gratitude for Palantir's contributions, specifically in saving lives through improved intelligence and threat detection. His piece contrasts Philleo's more theoretical analysis with a practical view of how the technology has been applied in real-world scenarios. Together, these essays offer a unique look into the motivations and ethical reflections of the people behind one of the most secretive tech companies in the world.