肇論新疏 2.244

2.244

This means that he has already accomplished his past intention to renounce the world, and furthermore encountered the supremely wondrous models of the Dharma society; the sincerity of his admiring trust is gleaming and undeceived, pointing to the sun and moon to inscribe it. "To reach" (至) means to arrive; it also mimics the phrasing of the covenant oaths of the feudal lords in the Spring and Autumn Annals. Master Yuan of Zhongwu said: "His sincere heart is inscribed, as bright as the sun and moon." The Yao text has "aspiration" (志) for "to reach" (至), which is very clear.