We are all bound by the laws of our own natures.
No matter how times change, good music can always move people.
世界称之为不道德的书籍，恰恰是揭露了世界自身羞耻的书籍。
比喻要有长期坚持和忍耐的毅力。
The spread of liberal democracy around the world is not inevitable, but it is the most likely outcome.