William Burkitt on Luke 16:29

That is, they have the inspired writings of Moses and the prophets, which sufficiently declare the mind and will of God to mankind, and therefore it is unreasonable to expect any farther revelation.

Learn thence, that a standing revelation of God is evidence sufficient for divine things: it is a more certain way of conveyance, and more secured from imposture.

Secondly, that there is a sufficient evidence that Moses and the prophets, or the writings of the holy scriptures, are of divine authority, and therefore to be read and heard, to be believed and assented to: They have Moses, etc.