114 Old Mister Liu

Yang Ming grabbed the and looked at the publication date.

Year 1988 - First edition.

Year 1997 - Second edition.

Year 2008 - 36th edition.

This book was released before Yang Ming was born! Yang Ming was from the 90s, and this book was older than him by two years!

"Hehe, isn't it surprising? The book had some history already?" The old man smiled as he looked at Yang Ming's expression.

"En, yes. The book is two years older than me. Could it be outdated?" Yang Ming voiced out his concern.

"Outdated? Knowledge wouldn't be outdated!" The old man shook his head and said, "Youngsters like you who buy books would always prefer the new editions! That wouldn't be bad with fashion books. However, regarding books with knowledge, that wouldn't be the case!

"For example, the addition and subtraction that we use in daily life were invented by our ancestors a few thousand years ago. Could you say that is outdated?