人类思维是一个复杂的系统，理解它需要多学科的方法。

社会是由某些关系或行为方式联合起来的个体的集合，这些关系或行为方式将他们与那些不进入这些关系或行为方式不同的人区分开来。

If the highest aim of a captain were to preserve his ship， he would keep it in port forever.

The study of complex systems has taught us that simple rules can give rise to incredibly complex behavior.

唯一真正的优雅在于思想；如果你有了这一点，其余的一切都源于此。