在逆境和变革中，我们才能真正发现自己是谁，以及我们是由什么构成的。

There’s a kind of beauty in the ordinary, if you take the time to see it.

The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.

儿童对活动的需要几乎比食物的需要更为强烈。

理解学习问题的计算复杂性对于开发高效算法至关重要。

如果应用得当，技术可以成为发展的强大工具。

The ideas of economists and political philosophers， both when they are right and when they are wrong， are more powerful than is commonly understood. Indeed the world is ruled by little else. Practical men， who believe themselves to be quite exempt from any intellectual influence， are usually the slaves of some defunct economist.