The strength of a political system lies in its ability to adapt to changing circumstances and to incorporate new ideas and practices.

剑鞘保护剑的锋利，自己却满足於它自己的迟钝。

没有战略的公司愿意尝试任何事情。

The past is never dead. It's not even past.

I'm not perfect, but I'm trying every day to be better than I was yesterday.

The only thing that can make you brave is your own fear.