小农场是农村社区的命脉，我们必须像保护自己的家人一样坚定地保护它们。
Small farms are the lifeblood of rural communities—we must protect them as fiercely as we would our own families.
The only thing that can make you brave is your own fear.
Every scientist has a responsibility to consider the broader implications of their work.
我不知道第三次世界大战会用哪些武器，但第四次世界大战中人们肯定用的是木棍和石块。
"To live is to be in constant dialogue with death."