"Pen is more powerful than sword" means that a sword can conquer a piece of land, but to establish a legal and stable political power, we must rely on reasonable thinking.

1, source:

This is a famous saying of Voltaire, a French enlightenment scholar: "The pen is better than force".

2. Deep meaning: I only hope to express my thoughts through words. Thoughts are like lightning, and sharpness is its nature. Either hit the heart, or let it go.

3. Interview with Yu Yingshi:

An Interview with Yu Yingshi was edited by Chen Zhiying Ming Pao and New Horizon of China Studies, and an interview with Mr. Xu Jun was published by Zhonghua Book Company. It was first published in Chinese mainland. This book is prefaced by Mr. Yu's "The Road I Walked" with an interview with Mr. Yu's "For the Reconstruction of China Culture and Society" to enrich readers' understanding of Mr. Yu.