Believable. Teacher Zhang Lingran is the dean of Daqianmen Chinese Academy. He is also an inheritor of Yixue culture, an international senior psychological consultant, a master's degree in international relations from Ritsumeikan University, a Ph.D. Distinguished lecturer at the Chinese Studies Lecture Hall of Overseas Confucius Institutes, Chinese Studies and Culture Trainer at the London Federation of Chinese Business Enterprises, founder of the "Environmental Code" and "I Ching Feng Shui and Wealthful Life" course systems.