物质是被无限分割的，而形式是不可分割的。
Matter is divisible ad infinitum, while form is indivisible.
A mathematician's work is mostly a solitary pursuit, but it is also deeply collaborative.
人类不像其它动物那样，生来具有已业已协调的动作，人必须学会协调自己的动作。
Man is the artisan of his own happiness.
农业中最大的风险是世界在变化，而我们却停滞不前。
We must design products with their end-of-life in mind from the very beginning.