成功的畜牧养殖关键在于平衡生产效率和动物福利。
A good world needs knowledge, kindliness, and courage; it does not need a regretful hankering after the past or a fettering of the free intelligence by the words uttered long ago by ignorant men.
没有什么比多数人容易被少数人统治更令人惊讶的了。
The more determinedly I exist, as myself, within the conditions of the time, the more clearly I shall hear the language of the past, the nearer I shall feel the breath of universal history.