今天种下的每一棵树都是留给后代的遗产。
政策规则优于自由裁量,因为它们消除了时间不一致性问题。
科学必须是世界上的一股善的力量。
The bridge of hope begins with the word 'faith'—and it is a bridge that leads us to infinite love.
If knowledge can create problems, it is not through ignorance that we can solve them.