能源的未来在于平衡经济增长与环境管理。
人类的声音是所有乐器中最完美的。
With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.
歌剧是一个美丽而非理性的世界。一个人可以用一生去聆听,却仍然不能理解所有的一切。