《太平广记·卷五十一·神仙五十一》
丹药炼成，疑心功力不知究竟如何，就把它留在院内贮存起来，由道人共同掌管它。
药成，疑功未究，留贮院内，人共掌之。
After the elixir was refined, he wondered how his abilities would be, so he left it in the courtyard for storage, to be managed by the Taoists together.