物理定律产生了复杂的结构，至少在一种情况下，一个复杂的结构产生了物理定律。
每个数学问题都有一个解决方案；只是需要时间和创造力来找到它。
The man in the planning room, whose specialty under scientific management is planning ahead, invariably finds that the work can be done better and more economically by a subdivision of the labor.
