相信你的根基，但不要害怕拓展新枝。

Language is a process of free creation; its laws and principles are fixed, but the manner in which the principles of generation are used is free and infinitely varied.

不光染丝是这样，国家也会被染。 

数学不是关于数字、方程、计算或算法：它是关于理解的。

Success in farming comes from understanding nature, not fighting it.

你必须能够直面现实，同时也要激发希望。