In mathematics, the most profound ideas often arise from the simplest observations.

It’s not how you start, it’s how you finish.

上学就是这么糟糕。人也是会变的。如果你想当普通小孩，奥吉，这就是规则。  

"La literatura es una forma de resistencia, de lucha contra la injusticia y la opresión."

To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact.

建筑材料的未来在于更智能、更环保且不牺牲质量的解决方案。