Tao-sheng: For the Purpose of Putting Forth the One Vehicle

The Buddha said to Śāriputra: “So it is, so it is. It is just as you say. Śāriputra! The same can be said of me.

[The rest of the chapter up to the gāthās] following this sentence likewise can be divided into seven segments and it is conjoined by the preceding parable. The first four paragraphs deal directly with the internal meaning, so that they are conjoined by the preceding parable. The latter three paragraphs first speak of the parable externally, later to be conjoined by the internal sense. Why? The latter three first discuss the three carriages; next, the giving of a great carriage; and finally, the fact that it is not false. [The Buddha] set up this discourse for the purpose of putting forth the One Vehicle, of course. This intent regarding the One Vehicle is manifested in the latter three [paragraphs]. That is the reason why I have said that [the latter three] first speak of [the external], then conjoin it with [the internal sense]. The first four paragraphs are designed to complete the latter three and, therefore, are directly connected with the preceding parable.

Tao-sheng Commentary on the Lotus Sutra, p213