艺术家必须像上帝在创造中一样存在于他的作品中,无形而全能;人们必须处处感受到他,但永远看不到他。
The best way to learn econometrics is by doing—working with real data and real problems.
In a world of universal deceit, telling the truth is a revolutionary act.
To one who has faith, no explanation is necessary. To one without faith, no explanation is possible.
对于有信仰的人,不需要解释。对于没有信仰的人,解释是不可能的。