真正的发现是让我能够在想要的时候停止做哲学。
The real discovery is the one that makes me capable of stopping doing philosophy when I want to.
量子世界和经典世界之间的界限并不像我们曾经认为的那样清晰。
这是《鬼吹灯》系列中描述盗墓行规的诗句，意指在古墓中点燃蜡烛，若蜡烛熄灭则需立即停止行动。
CRISPR gives us the tools to rewrite the code of life, but we must use them wisely.
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.