The natural diversity of European culture helps protect it from facing a fate similar to China’s. This reflects, on a much bigger scale, an argument Mill made in favor of diversity of opinion—it helps prevent truth and society from becoming stagnant. Diversity, then, is not just important when it comes to opinions or perspectives, but in cultures, beliefs, and practices because all of these things are stimulating to society and keep it active. When society is passive, it risks devolving into mediocrity (such as in the current state of things, according to Mill) and meaninglessness.