What is most personal is most universal.

The only thing that stands between a man and what he wants from life is often merely the will to try it and the faith to believe that it is possible.

玩耍是童年的语言，书籍也应该用这种语言表达。

新观点总是被怀疑和通常反对，原因只是因为它们尚未变得普遍。