品牌只是一种看法，而随着时间的推移，看法将与现实相匹配。有时它会领先，有时它会落后。但品牌只是一些人对产品的集体印象。

The purpose of mental activity is to guide action.

The only way to deal with the past is to accept it.

If history were taught in the form of stories, it would never be forgotten.

通信的基本问题是在一点精确或近似地复现另一点选择的信息。