The past is a ghost, haunting the present.
过去是一个幽灵，萦绕在现在。
The primary rules of obligation are those that require or forbid certain actions.
最严重的罪行不是由违反规则者犯下，而是由那些刻板遵守规则者所为。
If there's a book that you want to read, but it hasn't been written yet, then you must write it.
现在,对于做了很小错事的人,人们都知道他做错了并谴责他；对于犯了大的过错,以至于攻打别的国家的人,人们却不知道谴责他,反而跟着赞美这种行为,说这是义。
We look for anomalies in the data that can give us an edge.