NO is one of the most important words in any language. Every day we find ourselves in situations where we need to say NO to colleagues, family, and partners. NO protects us and what is important and dear to us. But saying NO incorrectly alienates people and makes them angry. That is why it is important to say NO in a way that does not provoke conflict and maintain good relationships. How to convince and defend your vital interests? How to make your NO firm and powerful? How to resist aggression and manipulation from your interlocutor? How, in the end, to achieve consent? This is not taught in schools and universities. But you will learn about the right NO by reading a book by the eminent negotiator William Ury. It is based on a famous course he teaches at Harvard University for managers and negotiators. This international bestseller has sold 2,000,000 copies in twenty-two languages. The book provides such clear advice and easy-to-understand advice that it will be useful to absolutely anyone who has to say NO to a customer or a colleague, a subordinate or a manager, a child or a spouse, a friend or a significant other. to the person you meet. The ability to say NO is the most valuable life skill that everyone should master!