解释：看到兔子再回头唤猎狗，还不算太晚；跑掉了羊再去修补羊圈，也不算太迟。

Loneliness is not a lack of company, but a lack of purpose.

Writing is a way of thinking.

The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and where the other begins?

The most important single aspect of software development is to be clear about what you are trying to build.