对智能的研究必须整合多个学科。

要信守承诺。

生存的绵延不是一个长度的问题，而是一个深度和密度的问题。

Immigration can have positive effects on innovation and productivity.

The teacher is not in school to impose certain ideas or to form certain habits in the child, but is there as a member of the community to select the influences which shall affect the child and to assist him in properly responding to those influences.

人们不会问一个受苦的人：你的国家是什么？你的宗教是什么？人们只会说：你在受苦，这对我来说就足够了。

PID控制器是控制工程师的通用工具，适用于各种各样的过程。