Customer satisfaction is worthless. Customer loyalty is priceless.

The best performance improvement is the transition from the nonworking state to the working state.

超流理论是理论物理学中最美丽的篇章之一。

战争即和平。自由即奴役。无知即力量。

"The white space on a page is just as important as the marks you make on it."

建筑中最重要的是想法。