最持久的变化来自于理解问题的根本原因，而不仅仅是症状。
The most enduring changes come from understanding the root causes of problems, not just their symptoms.
你必须写那本想要被写出来的书。如果这本书对成年人来说太难，那么你就为孩子们写。
你不必完美才能激励他人。
Every book is a journey, and every journey is a book.
我们站在巨人的肩膀上，但仍有如此多的东西有待发现。
The people who were trying to make this world worse are not taking the day off. Why should I?
Democracy is the worst form of government except for all those other forms that have been tried from time to time.
【释义】畜生虽不能言语，但它们因劳累至极而上天感到悲悯。本不该让它们如此过度劳累，神已察觉到这一切，即便人无法感知。
心理生活是一个整体，这一普遍陈述可以毫不犹豫地接受。