不为穷变节，不为贱易志。
出自汉·桓宽《盐铁论·地广》。释义：不因为生活的贫困而改变自己的节操，不因为地位的低贱而变更自己的志向。
"In the long run, the companies that win are the ones that are the most customer-focused."
The hardest thing to explain is the glaringly evident which everybody had decided not to see.
跨学科合作是最激动人心的突破发生的地方。
数学的美只对那些更有耐心的追随者展现。