One does not learn computing by using a hand calculator, but one can forget arithmetic.
一旦我们意识到不完美的理解是人类的条件,那么犯错并不可耻,可耻的是未能纠正我们的错误。
我不会花时间高谈阔论那些高概念的东西;我花时间解决工程和制造问题。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.