所有事情在被证明为不可能之前都是可能的，甚至不可能的事情也可能只是目前如此。
All things are possible until they are proved impossible and even the impossible may only be so, as of now.
过去是一个异国他乡；那里的人做事方式不同。
Leadership is about making tough decisions today that will benefit the next generation.
The best stock to buy is the one you already own.
每个数学问题都有一个解决方案；有时只是需要时间去找到它。
Nonviolence is the greatest force at the disposal of mankind.