David

Men and brethren, this scripture must needs have been fulfilled, which the Holy Ghost by the mouth of David spake before concerning Judas, which was guide to them that took Jesus.

Acts 1:16, KJV

Nor knew I that true inward righteousness which judges not according to custom, but out of the most rightful law of God Almighty, whereby the ways of places and times were disposed according to those times and places; itself meantime being the same always and every where, not one thing in one place, and another in another; not one thing in one place, and another in another; according to which Abraham, and Isaac, and Jacob, and Moses, and David, were righteous, and all those commended by the mouth of God;

Augustine, Confessions

the Psalms of David, those faithful songs, and sounds of devotion, which allow of no swelling spirit,

Augustine, Confessions