最好的表演是那些被感受到的,而不仅仅是被看到的。
That which does not kill us makes us stronger.
To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact.  
技术变革不是外生的;它是人们对市场激励做出反应而采取的有意行动的结果。