This document provides biblical passages and explanations about key Christian beliefs and practices for passing on the faith. It discusses that Christians should contend for and not change the essential truths entrusted to them by God. It also explains tools like confessions, creeds and catechisms that are used to teach beliefs in a structured way. The Apostles' Creed is included as an example creed. Passages encourage devoting oneself to teaching, fellowship, prayer and communion. God as Father and Creator who never changes and equips believers is also highlighted.