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.
市场不仅仅是价格,还关乎信息和激励。
常识是世界上最广泛共享的商品,因为每个人都确信自己拥有足够的常识。
可持续林业不仅仅是砍伐树木,更是培育文明。