According to tradition, the second patriarch of the Pure Land school, Shandao, is said to have practiced this day and night without interruption, each time emitting light from his mouth.
Menurut tradisi, patriark kedua dari aliran Tanah Murni, Shandao, dikatakan telah mempraktikkannya siang dan malam tanpa henti, setiap kali memancarkan cahaya dari mulutnya.