The area of the inner treasury where Daoist books were stored was lit with refreshing incense, not knowing if it was offered by the Imperial Hospital or some Daoist, capable of clearing the mind and improving attention.
Upon arrival, Li Changzhou had the female official in charge snuff out all the incense.
It is hard to transition from luxury to austerity, and he didn't want to develop the habit of 'relying on external objects to sharpen his focus and enter "Concentration".'
The Daoist books in the Imperial Palace's inner treasury—all in terms of hierarchy—are far superior to those in the Heavenly Palace's library.
"Great Sun Tathagata Mantra" had half of it, "Earthly Fiend's Seventy-Two Transformations" had twenty-four transformations, "Thirty-Six Heavenly Gang Skills" had eight.