关键是专注于自己的道路。

The stranger is an element of the group itself, not unlike the poor and sundry 'inner enemies'—an element whose membership within the group involves both being outside it and confronting it.

文件就像定期保险：它令人满意，因为几乎没有人订阅它取决于它的利益。

The great advantage of old age is that you can be as rude as you like.

技术没有边界，但应用必须有方向。