法華論疏 3.236

3.236

「汝等所行是菩薩道」者，謂發菩提心退已還發者，前所修行善根不滅，同後得果故。

"As for 'what you have practiced is the bodhisattva path,' it means that for those who, having generated the bodhicitta, retrogressed and then generated it again, the previously practiced roots of goodness are not destroyed, because they correspond to the later attainment of the fruit."