理解是所有智慧的基础。
问题的数学表述通常比其解决方案更重要,后者可能仅仅是数学或实验技巧的问题。
我们需要创造力来改变社会。
Knowledge is the highest wealth of humanity, and sharing knowledge is the greatest generosity.
We've been warned against offering the people of this nation false hope. But in the unlikely story that is America, there has never been anything false about hope.