Mysterious ancient books 4

Thinking of this, Leng Xuan felt helpless and had to feign ignorance against his better judgment, quietly reading the original text in the booklet three times over. Once confident he could recall it all, he closed the book. After summarizing it in his mind, he handed the booklet back to the old man, saying, "Old gentleman, thank you, I've finished reading."

The elder smiled and said, "Young man, there's no need to rush to return it to me; you could have looked through it a few more times. Anyway, I'll be here for a few more hours, so there's plenty of time."

Leng Xuan said, "No need, I've already memorized it."

"Hmm?" The elder pushed up his glasses, looking at Leng Xuan in surprise, "In just this short time, you've memorized everything?"