We are what we pretend to be, so we must be careful about what we pretend to be.

数学是一门活生生的学科，随着新思想的出现而不断发展。

"The colony is the place where the project of a new humanity is to be tested, where the dream of a world without borders is to be realized, where the dream of a world without races is to be realized, where the dream of a world without nations is to be realized, where the dream of a world without classes is to be realized, where the dream of a world without genders is to be realized, where the dream of a world without religions is to be realized, where the dream of a world without money is to be realized, where the dream of a world without property is to be realized."

故事的力量在于它可以改变我们看待自己和他人方式。

Many backward steps are made by standing still.

Leadership in mining means prioritizing safety, efficiency, and long-term community impact.

Without food, man can live at most but a few weeks; without it, all other components of social justice are meaningless.