The search for reciprocity laws is a fundamental theme in the history of mathematics.
独处的能力就是爱的能力。这看起来矛盾,但事实并非如此。
Leadership means making tough decisions today that will benefit everyone tomorrow.
I'm a fighter. I believe in the positive. I believe in hard work.
历史这个游戏的玩家一般都是社会的最上层和最下层,占大多数的中间层次只有在台下看戏的份。