Gentiles = word commonly used in the Bible to refer to non-Jews
general revelation = revelation that is available to all people at all times e.g. knowledge of God that comes through natural means such as reason + observation of the world
special revelation = revelation that occurs to specific people at specific times e.g. Scripture, religious experience, the work of the Holy Spirit
passage for this sources of wisdom and authority (topic): Matthew 5:38-48, the Sermon on the Mount