死者并未死去。他们在记忆中活着。
The dead are not dead. They are alive in memory.
If you can't afford to lose, you can't afford to win.
Life can be pulled by goals just as surely as it can be pushed by drives.
预测未来的唯一方法就是创造未来。
坚持是数学研究的关键，许多伟大的成果来自于长期的奋斗。
If you take care of the soil, the soil will take care of you.
I never cut class. I loved getting A’s, I liked being smart. I liked being on time. I thought being smart is cooler than anything in the world.