The only way to understand another person's reality is to experience it yourself.

Purchase the most recent tourist guidebook to your home town or region. You’ll learn a lot by playing the tourist once a year.

抽象的目的不是模糊，而是创建一个新的语义层次，在这个层次上可以绝对精确。

我们必须不断挑战现状以推动有意义的进步。