知识是人类的最高财富，而分享知识则是最高的慷慨。
Knowledge is the highest wealth of humanity, and sharing knowledge is the greatest generosity.
记忆是一种成就，甚至是一种更新。
We must face reality, even if it is cruel.
我不追求目标、体系或倾向；我没有计划、风格或方向。
The true value of a forest can't be measured in board feet alone.
The progress of mathematics is measured by the number of problems it can solve.
The best time to work on your marriage is before you have one.