The first man who， having enclosed a piece of ground， bethought himself of saying 'This is mine，' and found people simple enough to believe him， was the real founder of civil society.

失败是成功之母，但如果没有承认它的勇气，就什么也不会产生。

思维法则是所有精确推理的基础。

In the energy sector, we must balance progress with responsibility - our actions today shape tomorrow's world.

Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.

关系模型基于谓词逻辑和集合论。