The deepest problems in mathematics often arise from the simplest questions.
数学中最深刻的问题往往源于最简单的问题。
写作不仅仅是讲述故事,更是发现其中的真相。
教师必须为形成较好人类而献出一切。
"The only thing that separates us from the animals is our ability to accessorize."