成唯識論演祕 4.335

4.335

釋：既云菩薩於十地中一地得一，明知而用平等性智為緣受生而救物也。不爾，云何地地證得？釋中言佛，舉成就者，顯彼分得，故不相違，如下廣引。

Explanation: Since it is said that a bodhisattva attains one [stage] in each of the ten bhūmis, one clearly knows that they use the equality-nature knowledge as a condition to receive birth and save sentient beings. Were it not so, how could it be realized bhūmi by bhūmi? In the explanation, mentioning the "Buddha" cites one who has reached full realization to indicate that they attain it partially; thus there is no contradiction, as will be cited extensively below.