The mother-child relationship is paradoxical and, in a sense, tragic. It requires the most intense love on the mother's side, yet this very love must help the child grow away from the mother, and to become fully independent.

政策变化的影响往往比简单的经济模型所暗示的更为微妙。

可持续性不仅仅是种树；而是种下能成长为行动的想法。

The concept of progress is inseparable from the concept of catastrophe.

I think it's important to stay true to yourself and your values.

译文：好名声靠同事朋友传扬，好品德靠自己坚持。

The Internet is becoming the town square for the global village of tomorrow.

我们征服的不是山，而是我们自己。