数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。
南开校训，意为培养公正与能力兼备的人才，追求不断创新。
Economic policies should be evaluated based on their real-world impact.
The key to making money in stocks is not to get scared out of them.
"Sometimes, you have to be a little bit naughty to get what you want."
I've always been attracted to the lyric poem because of what it omits.
人们的行为受其直接环境的影响比我们通常意识到的更大。
当人们说话时，要完全倾听。大多数人从不倾听。