CRISPR提出的伦理问题不是障碍，而是必要的对话。

质量不是理论；它是一种实践。

The golden rule is that there are no golden rules.

The sun himself is weak when he first rises, and gathers strength and courage as the day gets on.

每个故事都是一次旅程，每次旅程都会改变旅行者。