I'm the reason your present won't stay.

I've always believed that the most important thing is to be true to yourself.

To live under the American Constitution is the greatest political privilege that was ever accorded to the human race.

数学中最深刻的洞见往往来自意想不到的类比。

译文：上面的官吏廉洁，民间的风俗也会随之改变。