君子给人的印象有三种变化：远看庄重威严，接触则温和可亲，听讲话则严肃不苟。

I’m a great believer in solving hard problems by using a checklist. You need to get all the likely and unlikely answers before you; otherwise it’s easy to miss something important.

现象学还原不是对自然世界的否定，而是对它的态度转变。