从前有一个叫做张三的年轻人，他喜欢读书学习。有一天，他遇到了一个老人，老人问他：“你读了多少书？”张三回答：“读书虽多，仍需勤学。”老人大喜，当场就把他收为徒弟。

Translation: Once upon a time, there was a young man named Zhang San who loved to read and learn. One day, he met an old man who asked him, 'How many books have you read?' Zhang San replied, 'Although I have read many books, I still need to study diligently.' The old man was overjoyed and immediately took him as his apprentice.