你在人际关系中投入的越多，它就越有价值。

The best way to learn econometrics is by doing—working with real data and real problems.

Never underestimate the intelligence of players.

Every individual is a moral legislator.

The truth is rarely pure and never simple.

能源的未来在于传统能源与可再生能源的融合。

我的雄心不仅是走得比前人更远，还要到达人类可能到达的最远处。