今天我们必须负责任地开采煤炭，这样我们的孩子才能继承能源安全和健康的环境。
The Erdős discrepancy problem fascinated me because it was so simple to state yet so deep in its implications.
Sustained outrage makes you stupid.
你人生的热情应该恰到好处；但你的人生目标应该超越自己。为那些远比你更宏大的东西而工作。
In the short run, the market is a voting machine but in the long run, it is a weighing machine.
The only true rebellion left is to refuse to participate in the madness of the world.