我们修复得最好的采石场将成为孙辈会感谢我们的资产。
Machinery is the great civilizer of our age.
The beauty of mathematics lies in its simplicity and universality.
The market is always right, but it doesn't always reflect the true value of a company.
The fountain of content must spring up in the mind, and they who have so little knowledge of human nature as to seek happiness by changing anything but their own dispositions will waste their lives in fruitless efforts.