触觉是我们的第一语言,是我们与世界互动的原始方式。
写作是一种快乐的方式。
Don't tell me how good you make it; tell me how good it makes me when I use it.
To avoid criticism, do nothing, say nothing, and be nothing.
数学的本质不仅在于解决问题,还在于提出正确的问题。