天下之治乱,不在一姓之兴亡,而在万民之忧乐
天下的治乱不在于一个王朝的兴亡,而在于百姓的忧乐
The meaning of "knowing" has shifted from being able to remember and repeat information to being able to find and use it.
All things are numbers.
The best furniture tells a story without saying a word.