农民是最早的环保主义者；我们必须支持他们发挥这一关键作用。
Farmers are the original environmentalists; we must support them in this critical role.
沉默不是某物的缺失，而是一切的存在。
"A man is rich in proportion to the number of things he can afford to let alone."
理解问题是解决问题的一半。
The pursuit of knowledge is a journey that never ends, and every discovery opens the door to new questions.