Costs do not exist to be calculated. Costs exist to be reduced.
成本不是为了计算而存在的,而是为了被降低而存在的。
The first idea a child gets is the most important one.
Uncertainty is not the absence of information, but the presence of too much conflicting information.
不确定性不是信息的缺失,而是过多矛盾信息的存在。
质量不是权利;它是一种特权。