不知其子视其友，不知其君视其左右。
不了解儿子就看和儿子交往的朋友，就清楚了；不了解君主就看看君主身边的人，就明白了。
I don't think you should ever have to apologize for your excitement.
缺乏美感的理论不太可能是正确的。
The attosecond timescale is to electron motion what the high-speed camera was to studying animal locomotion.
当你既听取数据又听取人的意见时，才能做出最好的决定。