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。
要养活世界,我们必须先了解它。
I don't think you should ever have to apologize for your excitement.
The greatest disability is a bad attitude.
The future of construction materials lies in smarter, greener solutions that don't compromise on quality.
关键在于要有一颗爱真理的心灵,随时随地碰见真理,就把它吸收进来。
To make mistakes is human. To own your mistakes is divine. Nothing elevates a person higher than quickly admitting and taking personal responsibility for the mistakes you make and then fixing them fairly. If you mess up, fess up. It’s astounding how powerful this ownership is.