如果你想拥有从未拥有的东西，就必须愿意做从未做过的事。

逃避问题的最好方法就是解决它。

Joy is the emotion which accompanies the fulfillment of our natures when we have lived up to our potential.

我们知道的越多，就越意识到自己知道的多么少。

Sustainability is no longer an option; it's a necessity for the future of dairy farming.

对智能的研究必须基于对符号系统的研究。