The world is not a wish-granting factory.
世界不是一个愿望实现的工厂。
Sustainability is not a sacrifice—it's an opportunity.
暴政终将崩溃,自由永存。
数学的真正力量在于它简化复杂事物的能力,使不可理解的事物变得可理解。
To be wealthy, accumulate all those things that money can’t buy.