A mind needs books like as word needs a whetstone.
思想需要书来磨砺，正如宝剑需要磨刀石。
History is not the past. It is the present. We carry our history with us. We are our history.
The more you know, the less you understand.
林业创新不仅仅是技术问题，更是思维方式的转变。
科学的目标是寻求对复杂事实的最简单解释。