First, Orthodoxy manifests itself in the sources of its doctrine. We are talking about the Holy Scriptures and Sacred Tradition.

The Church’s traditional teaching on fasting
The Church’s traditional teaching on fasting is not widely known or observed today. For those Orthodox Christians who are seeking a stricter observance of fasting

Principles of the Orthodox faith
The Orthodox faith is based on the Holy Scriptures and the traditions of the early Church. The basic principles of the Orthodox faith

The process of Christianity’s formation was long, controversial, and complex
On its way to becoming the state religion of the Roman Empire, Christianity had to overcome the serious influence and internal resistance of the traditional religions of the numerous peoples and states conquered by Rome.