Sometimes the smallest things take up the most room in your heart.
I'm a problem that'll never be solved.
BYD's future is bright because we are on the right path.
数学家是能在定理间找到类比的人;更好的数学家能在理论间看到类比;而最优秀的数学家能注意到类比之间的类比。
一本书是一面镜子:如果一只猿猴看进去,一个使徒几乎不可能看出去。
"A book is a conversation across time."