The Republic by Plato Part 4 Page 26

Nothing to us, I replied; but to Apollo, the God of Delphi, there remains the ordering of the greatest and noblest and chiefest things of all.

Which are they? he said.

The institution of temples and sacrifices, and the entire service of gods, demigods, and heroes; also the ordering of the repositories of the dead, and the rites which have to be observed by him who would propitiate the inhabitants of the world below. These are matters of which we are ignorant ourselves, and as founders of a city we should be unwise in trusting them to any interpreter but our ancestral deity. He is the god who sits in the centre, on the navel of the earth, and he is the interpreter of religion to all mankind.

You are right, and we will do as you propose.