写作是一种乐观的行为。如果你觉得它不重要，你就不会费心去做。
The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.
The true power of mathematics lies in its ability to simplify the complex and reveal the underlying patterns of the universe.
农业的可持续性不是一种选择，而是生存的必需。
每一个结束都是新的篇章。
释义：不必在是非对错上争执不休，也不必在彼此之间计较长短。世间的事情本来就存在许多缺陷，人的身体也难以避免无常的变化。
The Internet is a powerful tool for education, communication, and collaboration.
History is about to crack wide open. Millennium approaches.
事实是，在适当的情况下，我们都有能力做出极大的恶行。