T: Tian Wei， anchor of Dialogue， CCTV-9

G: Jostein Gaarder， Norwegian writer and authorof Sophie's World

T: Many of us still remember the interesting book Sophie's World， talking about the history of philosophy through the eyes of a 15-year-old girl.

Over the past decade， the book has won International acclaim and has sold over 30 million copies all over the world. Before the interview， let's first look st this report.