Alittle sincerity is a dangerous thing, and a great deal of it is absolutely fatal.
我相信我们都是自己的墓地;我们蹲伏在自己过去的坟墓之间。
自然界没有废物——每样东西都是其他事物的养分。
The most rewarding part of my job is seeing our medicines make a difference in people's lives.
The organism is essentially a passive responder to environmental stimuli.