Removing the faults in a stage-coach may produce a perfect stage-coach, but it is unlikely to produce the first motor car.

Removing the faults in a stage-coach may produce a perfect stage-coach, but it is unlikely to produce the first motor car.

消除舞台客车上的缺陷也许能制造出一辆完美的舞台客车，但不太可能制造出第一辆汽车。

-- Edward de Bono 爱德华·德·波诺