追求数学知识是一段永无止境的旅程；总有更多的东西等待发现和理解。

You have to be passionate about what you do.

自然和历史是地理知识的两个重要来源。

The only secure system is one that is powered off, cast in a block of concrete and sealed in a lead-lined room with armed guards.

当企业优先考虑长期价值而非短期收益时，利润与目标可以共存。