Since the diocesan bishop is mindful of his obligation to show an example of holiness in charity, humility, and simplicity of life, he is to strive to promote in every way the holiness of the Christian faithful according to the proper vocation of each. Since he is the principal dispenser of the mysteries of God, he is to endeavor constantly that the Christian faithful entrusted to his care grow in grace through the celebration of the sacraments and that they understand and live the paschal mystery.
Source: Code of Canon Law (Vatican.va)