Freedom is not something that anybody can be given. Freedom is something people take, and people are as free as they want to be.
采石业的创新不仅在于新技术,更在于新思维。
1999年5月温格透漏他怎样消磨业余生活
朗兰兹纲领是对数学如何被整体理解的一种愿景。
Find inner peace in tranquility.