The cognitive map is not a picture or a model in the head, but a dynamic, changing representation of the environment.
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。
我从未怀疑过自己。
"Writing is easy: all you do is sit staring at a blank sheet of paper until drops of blood form on your forehead."
Your attitude, not your aptitude, will determine your altitude.
生活是一段旅程，而不是一个目的地。