Education is what survives when what has been learned has been forgotten.
教育是在所学知识被遗忘后仍能留存的东西。
植物油脂肪油的使用在今天看来可能微不足道，但这些油或许会随着时间的推移变得像某些天然矿物油和焦油产品一样重要。
The true measure of an economy’s success is how well it serves all its citizens.
You want something. Go get it！
The best time to plant a tree was 20 years ago; the second best time is now.
"What is the point of being alive if you don’t at least try to do something remarkable?"
在数学中，就像在生活中一样，最优雅的解决方案往往来自于对问题的深刻理解。