I always try to be better than I was yesterday.

Memory is not a recording device but a system that actively organizes and reconstructs information.

政治没有永恒的朋友，只有永恒的利益。

预测未来的最好方法就是创造未来。

最伟大的头脑既能成就最伟大的美德，也能犯下最严重的恶行。

Don't wait until everything is just right. It will never be perfect. There will always be challenges, obstacles and less than perfect conditions. So what. Get started now. With each step you take, you will grow stronger and stronger, more and more skilled, more and more self-confident and more and more successful.

弟子不必不如师，师不必贤于弟子。弟子超过老师，是很正常的事情，这也是正是老师所希望的。