——辛格1978年诺贝尔文学奖获奖演说

The key to breakthrough is not just hard work, but also the courage to challenge existing paradigms.

抗战将是漫长而艰苦的，但我们的事业是正义的，我们必将胜利。

"The most important thing in empirical work is to be clear about the question you are trying to answer."