事物的那一面存在着一种是与非，这一面同样也存在着另一种是与非。
我知道我自己打得像坨屎一样，但你们不知道我为了让自己打得不那么像坨屎，付出了多少努力。
The dominant kind of snobbery that exists nowadays is job snobbery. You encounter it within minutes at a party, when you get asked that famous iconic question of the early 21st century, "What do you do?" According to how you answer that question, people are either incredibly delighted to see you, or look at their watch and make their excuses.
The beauty of mathematics only shows itself to more patient followers.
负责任的林业不是一种选择，而是我们所有人的义务。