The anarchic nature of the international system forces states to compete for power.

Simplicity does not precede complexity, but follows it.

The important thing in life is not victory but combat； it is not to have vanquished but to have fought well.

Good design should be available to all, not just those who can afford it.

A true friend is the one who holds your hand and touches your heart.

Innovation comes from solving real problems.

文化的功能观点坚持这样的原则：在每一种文明类型中，每一种习俗、物质对象、观念和信仰都履行某种重要功能，完成某些任务，代表一个运作整体中不可或缺的部分。