免疫系统就像一把双刃剑；它可以对抗癌症，但也需要被控制。
"The immune system is like a double-edged sword; it can fight cancer but also needs to be controlled."
In nature, we find solace for our souls and answers to our deepest questions.
如果人们有时不做愚蠢的事情，就不会有聪明的事情发生。
任何在科学探索中追求即时实用价值的人，可以确信他的追求是徒劳的。
There was never a century nor a country that was short of experts who knew the Deity's mind and were willing to reveal it.