Never try to discourage thinking, for you are sure to succeed.

Every mathematical problem is a puzzle waiting to be solved, and every solution is a step towards greater understanding.

数学的语言是普遍的，超越了文化和语言的障碍。

They just keep trotting back and forth across the bridge thinking there is something better on the other side. If they'd hang head down at the top of the thing and wait quietly, maybe something good would come along. But no—with men it's rush, rush, rush, every minute. I'm glad I'm a sedentary spider.

Every decision we make today echoes in the health of our oceans tomorrow.

我的科学研究给我带来了极大的满足；我深信，用不了多久，全世界都会承认我的工作成果。