Coal keeps America competitive in the world.
We are all haunted by something, whether we admit it or not.
The study of Galois representations is a testament to the beauty of algebraic geometry.
最可持续的建筑是人们喜爱到足以世代维护的建筑。
Every film is a new challenge.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.