The world is full of signs and wonders, but we are blind to them.
世界充满了迹象和奇迹,但我们对它们视而不见。
一切能被说出的都能够清楚地被说出,而我们不能谈论的,必须保持沉默。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.