函数的概念在数学中是基础的，而λ演算试图使这一概念精确化。
The novel is the highest example of subtle inter-relatedness that man has discovered. It is the book of life. In this sense, the Bible is a great confused novel. You may say, it is about God. But it is really about man alive.
可持续发展不再是选择，而是生存的必需。
I believe in being strong when everything seems to be going wrong.
真相是一种武器，就像任何武器一样，它可以用于善或恶。
The young do not know enough to be prudent, and therefore they attempt the impossible, and achieve it, generation after generation.
Small farms are the lifeblood of rural communities—we must protect them as fiercely as we would our own families.