起信論疏筆削記 5.23

5.23

三、令入不退。分別等者，文云：分別發趣道相者，謂一切諸佛所證之道，一切菩薩發心修行趣向義故，乃至心若有垢，法身不現，故此正指配也。以彼下，釋所以。下皆例之。彼文云：如是信心成就得發心者，入正定聚，畢竟不退，名住如來種中，正因相應故。終心者，十信一位有三種心，謂入、住、終。入謂始離異生，入初信位；終謂信心成滿，即第十信也；住心即中間八信。十信既爾，餘住、行、向等例皆如此。成熟，約現在十信終心說。不退，望未來十住入心言。今為信成熟者，稟於分別道相之文，入不退故。

Third, causing them to enter non-retrogression. Regarding "differentiating [the marks of aspiration to the path]," the text says: "As for differentiating the marks of the aspiration to the path, it refers to the path realized by all buddhas, because it refers to the meaning of all bodhisattvas generating the aspiration, practicing, and advancing [toward it]," down to "if the mind has defilement, the dharmakāya will not appear," hence it precisely correlates [here]. Regarding "because of that," it explains the reason; the passages below are all patterned on this. That text says: "Those who have thus perfected faith and are able to generate the aspiration enter the stage of correct determination and ultimately never retrogress; they are said to dwell in the lineage of the Tathāgatas, because they correspond with the correct cause." "The culminating stage of mind": the stage of the ten faiths has three kinds of mind: entering, abiding, and culminating. "Entering" refers to first departing from ordinary beings and entering the first stage of faith; "culminating" refers to the perfection and completion of faith, which is the tenth faith; the "abiding mind" refers to the intermediate eight faiths. Since the ten faiths are like this, the remaining abodes, practices, and dedications are all likewise by extension. "Ripening" is spoken in reference to the culminating stage of mind in the present ten faiths. "Non-retrogression" is said with a view toward the entering stage of mind of the future ten abodes. Now, it is for those whose faith is ripened, who receive the text on differentiating the marks of the path, so that they enter non-retrogression.