I was neat, clean, shaved and sober, and I didn't care who knew it.
我整洁、干净、刮了胡子、清醒，而且我不在乎谁知道。
The goal of mathematics is to understand the patterns of the universe.
选自汉·桓宽《盐铁论·力耕》。道：放大。治理百姓的方法，在于节约用度，注重农桑。
The more we learn about black holes, the more we realize how much we still don’t know.
心理学的方法必须是客观的，即使研究主观现象时也是如此。