This sentence should be a famous saying by René Descartes that Goethe borrowed. Its English translation is as follows:

The reading of all good books is like a conversation with the finest men of past centuries.-- Descartes

Chinese meaning: All good books read like talking to the most outstanding people in the world in the past.

Good books are those noble ones The carrier of people's thoughts

When you read these books, it is like communicating with them across time and space to communicate your own understanding