Yes, Liu Xiang's famous saying in the Western Han Dynasty,

It means:

Books are like medicine. Studying hard can cure stupidity.

Liu Xiang is a great scholar and a great editor. He was born into a noble family. He is the fourth grandson of Liu Jiao, the younger brother of Emperor Gaozu Liu Bang. He worked as an assistant bureaucrat close to the emperor, but his main job in life was not to be an official, but to be an editor and read books. He devoted all his energy to the proofreading of Tianluge (Royal Library) and served as the "editor-in-chief" of classics, biographies, poems and poems. He spent more than 20 years rearranging the palace books accumulated in the past 100 years, collating the Warring States Policy, and compiling New Preface, Shuoyuan, Biography of the Fierce Woman and Biography of Hong Fan's Five Elements.