"世界是一本书,而书是一座监狱。"
Sustainability isn't a trend—it's a responsibility we all share for future generations.
The spread of liberal democracy around the world is not inevitable, but it is the most likely outcome.
哥本哈根解释不仅仅是一种理论,而是一种思考量子世界的方式。
The only real prison is fear, and the only real freedom is freedom from fear.