Guiguzi: Wisdom of Human Nature 1. Amateurs focus on emotions, while experts study human nature. Don’t think that the more you give, the less someone can leave you. On the contrary, the more you give, the harder it will be for you to leave them. 2. The poor believe in morality and emotions, while the rich believe in natural laws and cycles. Relationships between people are not emotional exchanges but battles of leverage. You need to make yourself irreplaceable for others to stay loyal to you. 3. Don’t talk logic with people at the bottom, Don’t discuss ideals with people in the middle, Don’t talk emotions with people at the top. Talk emotions and morality with people at the bottom, Talk logic and interests with people in the middle, Talk ideals and the future with people at the top.