森林的真正价值不仅在于木材产量，还在于生物多样性和生态系统健康。
Every failure in the lab brings us one step closer to success.
生活是由许多小事构成的。
Food security is a global issue that requires local action.
The best way to learn mathematics is to do mathematics.
The purpose of life is to live it, to taste experience to the utmost, to reach out eagerly and without fear for newer and richer experience.
人一旦成名，就一个朋友也没有了，这是一个很大的不幸。而尤其不幸的是自称为朋友的人也都离你而去。