Dale Carnegie’s How to Win Friends and Influence People is one of the most influential self-improvement books of all time. First published in 1936, the book remains widely read today, offering timeless advice on communication, leadership , and building meaningful relationships. The book teaches practical strategies for improving social interactions, gaining influence, and fostering genuine connections—skills that are valuable in both personal and professional life. This summary explores the key principles and lessons from Carnegie’s book, breaking down the strategies that have helped people around the world build stronger relationships and succeed in business , leadership, and everyday interactions. The Core Idea Of The Book Carnegie’s philosophy centers around understanding human nature and using that knowledge to create positive interactions. The book argues that people respond best to appreciation, encouragement, and genuine interest rather than criticism or manipulation....