The most important thing in acting is honesty. If you can fake that, you've got it made.

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.

I'm not going to let anyone bring me down.

地球是有生命的这一想法处于科学可信度的边缘，但并未超出其范围。