Education alone is not enough to lift people out of poverty; we need to address the broader system.
膨胀是一个非常简单的想法，但它解释了很多事情。
电脑只是一个工具。铅笔也是一个工具。关键在于你如何使用它。
我们都在网格上，网格无处不在。
In mathematics, the most profound ideas often arise from the simplest observations.
Be kind, for everyone you meet is fighting a hard battle.