Success comes to those who know how to learn from mistakes - preferably those of others - and turn any circumstances to their advantage. This art is not taught in school, but you can master it on your own, guided by available techniques of self-knowledge and self-improvement. How to properly plan your career and succeed in it? How not to make mistakes in choosing life goals and find reliable means of achieving them? How can you learn to get along with people without infringing on their interests, but also without forgetting your own? The famous psychologist Sergei Stepanov, having summarized many achievements of world psychology, offers accessible solutions to complex life problems - professional and personal. From this book you will learn how to get around the underwater reefs on the path to career growth, how to achieve material and mental well-being, how to learn to understand people by the subtle features of their behavior and appearance. After reading this book, you will learn to better understand yourself and others, master many valuable techniques that will help everyone in their quest for success.