The hand remembers what the mind forgets.
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。
我不在乎别人怎么说我，我知道我是谁。
你不能让你的失败定义你，你必须让你的失败教导你。
La palabra es el arma más poderosa que tenemos para cambiar el mundo.
The best banking service is invisible but always available.
Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying.