L'Ego est l'ennemi の書籍要約

The book is aimed at ambitious individuals, leaders, athletes, and anyone seeking personal growth and mastery. It appeals to those who want to overcome ego-driven obstacles and achieve sustainable success.

Ryan Holiday is an American author, marketer, and entrepreneur. He dropped out of college at 19 to apprentice under Robert Greene, author of "The 48 Laws of Power." He later served as the director of marketing for American Apparel and has since written several bestselling books on stoicism and self-improvement.

The book draws on historical examples from various periods, ranging from ancient Greece and Rome to modern times, to illustrate the timeless nature of the struggle against ego. It reflects a resurgence of interest in stoicism and classical philosophy in contemporary self-help literature.