釋氏要覽 3.55

3.55

('Shao' is in the departing tone.) Fa'an was eighteen years old when he lectured on the Nirvāṇa Sūtra. When Zhang Yong asked his age, Yong sighed and said: ‘In the past, Zhu Bo of Fufeng could read books at age twelve, and people called him a boy of talent. Today, Master An can be called a youth of doctrine.’”