Critical comments by students should be taken in a friendly spirit, accumulation of material should not stifle the student’s independence.
"The beauty of language is that it can convey the inexpressible, making the intangible tangible."
数学不仅仅是关于数字、方程、计算或算法:它是关于理解的。
学习和思考的时间远远多于做事的时间,这种习惯绝非偶然。