Introduction

哈佛幸福公开课推荐“For all those of you who are interested in teaching, and there is one book you want to read. It's this! For all those of you who are interested in leadership, and there is one book you want to read. It's this! For all those of you who are or are interested in the future of becoming parents, and there is one book you want to read. It's this!”

为了能读懂特意抄写一遍。