佛祖統紀 52.61

52.61

Under Emperor Taizong of the Tang, Yuanzhou reported that in the Hongchigu Valley there were five stones, of blue quality with white markings, that read: 'Li Shimin, the Son of Heaven of Great Peace; Li Zhi, the Crown Prince; seven Buddhas and eight bodhisattvas.' An imperial decree sent an envoy to offer sacrifices of gratitude. The Emperor obtained a secret prophecy stating: 'After three generations of the Tang, a female ruler, King Wu, will replace it and possess all under heaven.' The Grand Astrologer Li Chunfeng said: 'The omen is already complete; she is now in the palace.' The Emperor said: 'Let us kill anyone suspected.' He replied: 'Heaven's decree cannot be altered.' The Emperor therefore desisted. Emperor Suzong ordered the śramaṇa Yuanjiao to construct a Bhaiṣajyaguru ritual arena; suddenly forty-nine plum tree stems grew. The nun Zhenru ascended to heaven and saw the Lord of Heaven, who bestowed thirteen heavenly treasures to pacify the earthly realm below; thereupon the reign title was changed to Baoying ('Treasured Response'—from Suzong to Zhaozong was thirteen generations). When Emperor Ruizong was the Prince of Xiang, whenever he went out Wanrui told people: 'The Son of Heaven is coming!' When Xuanzong was still in his princely estate he visited him, and Wanhui patted his back, saying: 'Son of Heaven of fifty years of great peace!'