What you actually pay for something is at least twice the listed price because of the energy， time， money needed to set it up， learn， maintain， repair， and dispose of at the end. Not all prices appear on labels. Actual costs are 2x listed prices.

我的过去是我的动力。

无限小的事物在自然中的作用是无限大的。

The reason why men enter into society is the preservation of their property.

The only way to have a good day is to start it with a positive attitude.

The most dangerous phrase in business is: 'We've always done it this way.'

值得畏惧的竞争对手是那些从不关注你，而是一直在改进自己业务的人。