真理很纯粹，可决不简单。
电影是一种思考方式，一种观看方式，一种存在方式。
The concept of legal obligation is central to the understanding of law.
海洋的恩赐是一种特权，而不是一种权利。
If you want to achieve greatness, stop asking for permission.
Sustainable development requires balancing economic benefits with environmental protection.
——辛格1978年诺贝尔文学奖获奖演说
The poor are not irrational; they are just as rational as anyone else, but they operate under very different constraints.