一个社会的竞争优势不是来自学校把乘法和元素周期表教得多么好,而是来自他们激发学生想象力和创造力的程度。
"The truth is not always beautiful, but it is always necessary."
A good mathematician should be both rigorous and imaginative.
自由意味着责任,正因为如此,多数人都惧怕自由。