我们学得越多,就越意识到我们不知道的还有很多。
Buying tools: Start by buying the absolute cheapest tools you can find. Upgrade the ones you use a lot. If you wind up using some tool for a job, buy the very best you can afford.
好的教育中,一半的技能,是学会鉴别“哪些事物应被直接忽略掉”这样的能力。
数学思想的真正考验是它能否激发更多的问题。
"The best way to predict the future is to create it."