学习某样东西的最好方法就是把它教给别人。
The writer must be a perpetual beginner, always doubting, always searching.
死者并未离去。他们只是不在此处。
In the end, it is not the years in your life that count, but the life in your years.
The robot is a device that is designed to do the work of a human being, but it is not a human being.
机器人是一种被设计用来完成人类工作的设备，但它并不是人类。
真正的天堂是我们已经失去的天堂。
Stay focused on what you can control, and don’t waste energy on what you can’t.
The secret of change is to focus all of your energy，not on fighting the old，but on building the new.
改变的秘诀是集中你的所有能力，不是摧毁旧的，而是建造新的。