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。