The relation between what we see and what we know is never settled.
我们所见的和所知的关系从未确定。
Mathematics is the foundation upon which all sciences are built.
We didn't get here by luck, but by hard work and wisdom.
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。
"Every story is a journey, and every journey changes the traveler."