人为某样东西实际支付的成本至少是标价的两倍，因为买来后设置、学习、维护、修理，以及最后处置，也需要耗费精力、时间和钱。不是所有的实际成本都在价签上。实际成本是标价的2倍。

真相很少是纯粹的，也从来不是简单的。

The best decisions are made when diverse voices are heard and valued.

Whether we are describing a king, an assassin, a thief, an honest man, a prostitute, a nun, a young girl, or a stallholder in a market, it is always ourselves that we are describing.