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数学不是关于数字、方程、计算或算法的:它是关于理解的。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
Mental processes are tools for living, and their worth is in their use.
The only competition I have is myself.
可持续性不再是可选项,而是生存的必需品。
脾气切忌旺盛,心志切忌满足,才情切忌显露。
The act of painting is an act of meditation.