成功不是终点,失败也并非致命,重要的是继续前进的勇气。
辅时:适应时势行事。违时:违背时势行事。当时:适时。圣人行事能够适应时势,不能违背时势。聪明人善于谋划,不如利用合适的时机。
The structure of the international system forces states to behave in certain ways, regardless of their internal characteristics.
The language of mathematics is universal, transcending cultural and linguistic barriers.