This lecture discusses the challenges faced by young people in contemporary society, particularly in the context of historical events. It highlights the instability of current societal conditions and how this affects the youth's perception of trust and authority. The instructor references the historical legacy of Mao Tse-dong and its impact on the younger generation, who may feel disconnected from the past. The lecture also mentions a museum in Chengdu that serves as a crucial space for confronting the difficult history of the country, particularly the violent decades that shaped its present. The instructor emphasizes the importance of understanding this history, as many young visitors to the museum are unaware of the potential for history to repeat itself. Through this exploration, the lecture aims to shed light on the relationship between history, memory, and the current experiences of youth in society.