智者知道如何拥有,而不仅仅知道如何获得。
I'm very proud to be black, but black is not all I am. That's my cultural historical background, my genetic makeup, but it's not all of who I am nor is it the basis from which I answer every question.
"The only way to get rid of a temptation is to yield to it."
数学不仅仅是一种工具;它是一种思维方式。