诗人的任务是让不可见之物变得可见。
It is India that gave us the ingenious method of expressing all numbers by means of ten symbols, each symbol receiving a value of position as well as an absolute value.
我离开职位的时间越长,我就越觉得自己是无所不能的。
只为自己活着的人,不值得活在世上。
数学是一门活生生的学科,随着新思想的出现而不断发展。