Sometimes we stare so long at a door that is closing that we see too late the one that is open.
世界上充满了这样的人，他们对一个令人满意的未来的概念，实际上是对理想化过去的回归。
The power of words can change the world.
The balance between energy needs and environmental protection is the challenge of our time.
The only impossible journey is the one you never begin.