飽讀詩書

饱读诗书
bǎodúshīshū

to have read many books and be learned

Wiktionary

Entry Composition

1 飽讀 bǎodú to read intensively
=2 詩書 Shī Shū the Book of Songs 詩經 Shījīng and the Book of History 書經 Shūjīng
=2 詩書 shīshū
  1. literature
  2. the Classic of Poetry and Classic of History