病毒的复杂性提醒我们，关于生物学我们还有很多需要学习。

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。

大国总是在寻找机会以牺牲对手为代价来获得权力，这使得它们天生具有侵略性。

Failure is just a stepping stone to success.

译文：高贵的人虽然自以为尊贵，但在我看来却如尘埃;低贱的人虽然自以为卑微，但在我看来却重如千钧。

只要我看到进步，我不介意输球。

So why do I talk about the benefits of failure? Simply because failure meant a stripping away of the inessential. I stopped pretending to myself that I was anything other than what I was, and began to direct all my energy into finishing the only work that mattered to me.