我从未能写出一部快乐的戏剧。我不能。我可以写一部有趣的戏剧，但不是一部快乐的戏剧。
I have never been able to write a happy play. I can't. I can write a funny play, but not a happy play.
Books make great gifts because they have whole worlds inside of them.
The future of agriculture depends on innovation and sustainability working hand in hand.
CRISPR的潜力巨大，但我们必须负责任地使用它。
意指任何收获都需要付出相应的代价。
The best illustrations are those that leave room for the reader's imagination.