元素并非随意分布,而是遵循更高的秩序。
I find myself always worrying about tomorrow...Then when tomorrow becomes today, I start worrying about tomorrow again...
数学思想的真正考验是它能否激发进一步的思考。
最好的领导者是那些能够授权他人领导的人。
The power of abstraction allows us to see the common threads that run through seemingly disparate problems.