Then what advantage has the Jew? Or what is the value of circumcision? Much in every way. To begin with, the Jews were entrusted with the oracles of God.  (Romans 3:1-2)

Oracles are divine utterances, λόγιον logion.  Paul is of course speaking about all Scripture, which was for him the Tanakh, the Law, Prophets and Writings, latterly called The Old Testament.

An oracle is prophesy, as seen in the Hebrew: