出自《抱朴子·博喻》。登高的人,要警惕的是爬高了会摔下来,渡深水的人,往往是因为船太重才出了祸。要适可而止,不要过于贪婪。
When you have nobody you can make a cup of tea for, when nobody needs you, that's when I think life is over.
The past is not a burden, but a foundation upon which to build.
The ethical debate around CRISPR is as important as the science itself.