学习不仅仅是记忆的问题;它是创造的问题。
Science and everyday life cannot and should not be separated.
每座建筑都是一个原型。没有两座是相同的。
The most widespread form of inequality in the world today is not that between rich and poor, but that between men and women.
I don't fear failure. I fear not trying.
学习数学的唯一方法就是做数学。