Innovation is seeing what everybody has seen and thinking what nobody has thought.
创新就是看到每个人都能看到的东西，思考没有人想过的东西。
Sustainable forestry isn't just about cutting trees, it's about growing civilizations.
我从十五岁开始致力于学习，三十岁便能自立于社会了，四十岁对各种事理不再迷惑不解，五十岁懂得了自然界的规律，六十岁对听到的事情能领会贯通，并能辨别是非真伪，七十岁时做事能随心所欲，但又不会超出礼法的规范。
未说出口的往往是最重要的。
写作是重新获得自己历史的一种方式。
The most perfect education, in my opinion, is such an exercise of the understanding as is best calculated to strengthen the body and form the heart.