Silence is the most powerful response.

The concept of progress must be grounded in the idea of catastrophe.

Faith is the great cop-out, the great excuse to evade the need to think and evaluate evidence. Faith is belief in spite of, even perhaps because of, the lack of evidence.

可持续发展不是口号，而是必须践行的理念，我们要让土地永远充满生机。

心灵是一个过程的动态平衡。

国际关系没有永远的朋友或敌人，只有永远的利益。