Key Words / Themes
Humility, Prayer, Despair, Dependence, Pride, Justification, Sons and Daughters of God 

Formulas of Catholic Doctrine
Theological Virtues (Hope)
Beatitudes (Poor in Spirit, Blessed are the Meek)
Deadly Sins (Pride)
Sacraments (Baptism; Confession)
Fruit of the Holy Spirit (Humility, similar to gentleness or meekness)