The only thing to do with good advice is to pass it on. It is never of any use to oneself.

Sustainable fishing isn't an option - it's the only way forward if we want our industry to survive.

我不需要理由去自信。

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.