People can be really smart or have skills that are directly applicable, but if they don't really believe in it, then they are not going to really work hard.

在数学中，真理总是相对于你所在的系统而言的。

Travel changes you. As you move through this life and this world you change things slightly， you leave marks behind， however small. And in return， life—and travel—leaves marks on you.

CRISPR提出的伦理问题不是障碍，而是必要的对话。