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.
效率是把事情做对；效能是做对的事情。
林业创新不是要取代自然，而是要与自然合作。
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'
不要盯着时钟，做它该做的事，继续前进。
每日不能克服恐惧者，尚未学会人生的第一课。