We must balance immediate energy needs with long-term sustainability goals.

文明不是继承的；每一代人都必须重新学习和赢得它。

我没有完美的牙齿，我也不瘦。我想成为那个对自己的身体感觉良好，可以说她爱它并且不想改变任何东西的人。

The success of any political system depends on its ability to generate legitimacy in the eyes of its citizens.

When you measure success only in quarterly profits, you miss the bigger picture.

The scientific study of behavior must be based on objective, measurable data.

事实是，你永远无法确定接下来会发生什么。