围绕CRISPR的伦理辩论和科学本身一样重要。
I'm not perfect, but I'm striving every day to be better than I was yesterday.
我是一个活着的传奇。
今天很残酷,明天更残酷,后天很美好,但绝大部分人死在明天晚上。
Investors should avoid trying to time the market; it's a losing strategy.