A great business at a fair price is superior to a fair business at a great price.

Of the people, by the people, for the people.

Never a failure, always a lesson.

These walls are funny.First you hate them,then you get used to them;Enough time passes,gets so you depend on them.That's institutionalized.

可持续性必须是现代采石场运营的基石，而非事后考虑。