Abstraction allows for a kind of freedom that representation sometimes doesn't.
最糟糕的暴政是那种伪装成自由的暴政。
科学不仅仅是发现，更是解决现实世界的问题。
The only true wisdom is in knowing you know nothing.
任何圆的周长与其直径的比率小于3 1/7但大于3 10/71。