The only way to learn mathematics is to do mathematics.
学习数学的唯一方法就是做数学。
爱是非理性的。你越爱一个人,就越没有道理可言。
人生短暂,过着过着你就没了,明白么?
技术的力量在于它能够让心理健康护理更加可及和个性化。
"The truth is rarely pure and never simple."
When we write programs that "learn", it turns out that we do and they don't.
If you spend more than 13 minutes analyzing economic and market forecasts, you’ve wasted 10 minutes.
如果你花超过13分钟分析经济和市场预测,你就浪费了10分钟。