In mathematics, as in life, the most elegant solutions often arise from a deep understanding of the problem.

Anyone who keeps the ability to see beauty never grows old.

不要害怕失败，要害怕不去尝试。

有人因为我不像他们而轻视我、贬低我，但这并没有阻止我。

国家的权力应该用来保护个人的权利，而不是压制他们。