The book "Prejudices, the first series" was written by the outstanding American publicist and journalist Henry Louis Mencken. In this work, the author examines various forms of prejudices that exist in society, analyzes their causes and influence on people's thinking. Mencken examines religious, racial, political and social prejudices in detail, drawing the reader's attention to the deep roots of these phenomena. The author uses his apt humor and keen eye to reveal flaws and contradictions in public perceptions. Through his essays, Mencken provokes discussions and makes us think about how prejudices shape our worldview and interaction in society. "Prejudices, the first series" is not only a literary masterpiece, but also an important analytical and critical work that leaves a mark in the hearts of readers and encourages self-reflection and a change in worldview.