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.
The urban artifact is a work of art and a historical document.
God is ashamed when the prosperous boasts of his special favour.
"We spend our lives waiting for the ideal moment to begin something, not realizing that the ideal moment is the one we decide to start."