不要等着暴风雨自己过去；要在雨中跳舞。

The longer you look at an object, the more abstract it becomes, and, ironically, the more real.

"I was unconditionally and irrevocably in love with him."

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.