The scientific method is one and indivisible, and the method of science is applicable to social as well as to physical problems.
科学方法是统一且不可分割的，科学方法既适用于物理问题，也适用于社会问题。
The best art is about change—about the movement of thought and the transformation of perception.
The true measure of our success in forestry will be what we leave for future generations, not just our quarterly reports.
The theory of Communism may be summed up in one sentence: Abolish all private property.
写作是为了留下痕迹，为了说：我曾在这里，我存在过。