南怀瑾：诸法的本来面目就是空相，诸法的实相亦是空相，诸法未曾离开空相，故云是诸法空相……一切法的实相是空，是故一切法从本以来，不生不灭，不垢不净，不增不减。

Writing is a way of making sense of the past.

一本好书应该让你在读完时略感疲惫。你在阅读时已经活了好几辈子。

So given a Time Turner, I would tell my 21-year-old self that personal happiness lies in knowing that life is not a check-list of acquisition or achievement. Your qualifications, your CV, are not your life, though you will meet many people of my age and older who confuse the two. Life is difficult, and complicated, and beyond anyone’s total control, and the humility to know that will enable you to survive its vicissitudes.