质量是免费的。它不是礼物，但它是免费的。花钱的是那些不质量的东西——所有那些没有第一次就把工作做好的行为。

The desire for recognition, the thymotic part of the soul, is what drives human history.

The only way to do great work is to love what you do.

Collaboration in mathematics is essential; the exchange of ideas leads to breakthroughs that no single mind could achieve alone.

True leadership is not about being in charge. It is about taking care of those in your charge.

海洋是我们最伟大的资源，但它需要尊重和可持续的实践。