The key to performance is elegance, not battalions of special cases.
I want to stand as close to the edge as I can without going over. Out on the edge you see all kinds of things you can't see from the center.
数学家的工作永无止境；总有新的问题要问，新的谜题要解。
I take nothing for granted. I now have only good days or great days.
善于治理国家的人们， 一定会十分注重人民的力量。
If you tremble with indignation at every injustice, then you are a comrade of mine.