resurrection of the dead
veneration of saints
immortality of the soul
intercession of saints
importance of forgiveness
importance of humility
importance of almsgiving
importance of anointing of the sick
importance of apostolic succession
importance of baptism
importance of chrismation
importance of conciliarity
importance of confession
importance of fasting
importance of love
importance of marriage
importance of monasticism
importance of ordination
importance of prayer
importance of repentance
importance of spiritual struggle
importance of the Church as the Body of Christ
importance of the episcopacy
importance of theosis
importance of unity in faith
original sin as ancestral sin
real presence in the Eucharist