A wicked book cannot repent

Similar sayings:

A wicked companion invites us all to hell A wicked companion invites us all to hell
A book holds a house of gold A book holds a house of gold
Schoolmaster, stick to your books; farmer, to your pigs Schoolmaster, stick to your books; farmer, to your pigs
A closed mind is like a closed book; just a block of wood A closed mind is like a closed book; just a block of wood
It is better to be entirely without a book than to believe it entirely It is better to be entirely without a book than to believe it entirely

Chinese sayings and proverbs