I’ve had my best years after fifty. Age is just a number—it’s your attitude that counts. 

Myth is a type of speech chosen by history: it cannot possibly evolve from the 'nature' of things.

当别人都不相信你时，你必须相信自己。

研究明史需要全面理解其独特的社会结构和文化背景。

健康的动物是健康食品链的基础。

释义：兰花生长在深谷，不会因为无人佩戴就不散发芬芳。