简单比复杂更难：你必须努力工作，才能让你的思维变得清晰，以便使事情变得简单。
自律是目标和成就之间的桥梁。
解释：一时的恩宠、利益名声总有尽头，但历史的评述是过了千年也欺瞒不了的。
The only thing that can make you brave is your own fear.
Certification isn't a finish line—it's the starting point of real responsibility.
A sustainable future for coal depends on our ability to integrate cleaner practices without sacrificing the livelihoods of those who depend on the industry.
The good society is one in which virtue pays.
Today is cruel, tomorrow is crueler, and the day after tomorrow is beautiful, but most people will die tomorrow night.