Every mathematical problem has a solution; it just takes time and creativity to find it.
"The world is full of obvious things which nobody by any chance ever observes."
The wild is a place of constant change. To survive, you have to be ready to adapt.
质量从来不是偶然的;它始终是智慧努力的结果。
自由意味着责任,因此许多人害怕自由。
You must take personal responsibility. You cannot change the circumstances, the seasons, or the wind, but you can change yourself. That is something you have charge of.
国际体系的结构迫使国家以某种方式行事,无论其内部特征如何。
In the end, all we have are the stories we tell.