认知地图不是头脑中的一幅图或模型，而是环境的动态变化表征。
The cognitive map is not a picture or a model in the head, but a dynamic, changing representation of the environment.
I have always believed that if you want to achieve anything in life, you have to work for it.
企业的成功不是靠机会，而是靠能力。
你不能通过直接的力量改变你的大象，但你可以随着时间的推移训练它。
The world is full of stories, but only a few are worth telling.
"In the end, we will remember not the words of our enemies, but the silence of our friends."
现代国家的创建是一个复杂而困难的过程，需要发展强大的制度。
Teaching is my greatest work of art.