Julia Galef's book starts from a simple observation: when it comes to our beliefs, we usually reason like soldiers. In what she calls the soldier mindset, also known as motivated reasoning, we treat ideas as allies to be defended or enemies to be shot down, rationalizing what we want to believe and dismissing what threatens us. Galef proposes an alternative, the scout mindset, whose goal is not to win an argument but to see the territory as accurately as possible, regardless of whether the truth is pleasant. Crucially, she argues that the difference between scouts and soldiers is not intelligence or knowledge but a set of emotional skills and habits that anyone can cultivate. The book opens with the Dreyfus affair, in which most French officers clung to a convenient conclusion while one, Georges Picquart, followed the evidence. From there Galef draws on research and stories ranging from a sailor stranded at sea to Jeff Bezos's habit of acknowledging uncertainty, the superforecasters who outperform intelligence analysts, and online communities where people publicly change their minds. She tackles the common belief that self-deception is necessary for happiness and motivation, arguing that people can be both realistic and confident, and she ends with a chapter on holding identities lightly, so that political or tribal affiliations do not dictate what we can see. Galef, cofounder of the Center for Applied Rationality and longtime host of the Rationally Speaking podcast, writes clearly and without condescension. The book is an approachable, practical guide to better judgment, and a quiet argument that intellectual honesty is a learnable virtue rather than a fixed trait.