勤俭了就有了约束，有约束了就会各种好事都做；奢侈就放肆，放肆则各种坏事都泛滥。

The only way to do great work is to love what you do.

The concept of purpose has no place in a scientific account of behavior.

Quality is the lifeline of the enterprise. We always adhere to high standards and strict requirements to ensure that every piece of stone can stand the test of time.