Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
If your goal does not have a schedule， it is a dream.
La palabra es el arma más poderosa que tiene el ser humano.
幸福不是现成的东西。它来自你自己的行动。
The very shaping of history now outpaces the ability of men to orient themselves in accordance with cherished values. And which values? Even when they do not panic, men often sense that older ways of feeling and thinking have collapsed and that newer beginnings are ambiguous to the point of moral stasis.
