The artist must be a dancer of the invisible.
To do mathematics is to explore a universe of ideas, where the only limit is your imagination.
历史不仅仅是关于过去;它是关于过去如何塑造未来。
"We are all in the gutter, but some of us are looking at the stars."
正是通过观察和思考的力量,人们才能找到方法。所以我们必须不断挖掘和钻研。