"History is not just facts and dates; it’s the lives of people who lived them."

"The key to success is to focus on goals, not obstacles."

在空闲的时候不做准备，危急的时候却临时抱佛脚。国家发生战乱时，才想到有名的将领；家庭贫困时才希望能有个贤惠的妻子。

经验只是我们给错误起的名字。