大方廣佛華嚴經願行觀門骨目 1.27

1.27

淨行品十一（卷十四。雖善其趣，非行不前。去俗進道，故名為淨，淨彼行故。行假茲淨，彼此俱得淨行之號）

Chapter Eleven: Pure Conduct (Fascicle 14. Although one appreciates its destination, without practice one cannot advance. Leaving behind the secular to advance along the path is therefore called 'pure', because it purifies those practices. Practice relies on this purity; both subject and object thus acquire the name 'pure conduct').