'"Blessed are the pure in heart, for they shall see God." It is true, because of the greatness and inexpressible glory of God, that "man shall not see me and live," for the Father cannot be grasped. But because of God's love and goodness toward us, and because he can do all things, he goes so far as to grant those who love him the privilege of seeing him... For "what is impossible for men is possible for God." - St. Irenaeus
1734 Freedom makes man responsible for his acts to the extent that they are voluntary. Progress in virtue, knowledge of the good, and ascesis enhance the mastery of the will over its acts.
1788 To this purpose, man strives to interpret the data of experience and the signs of the times assisted by the virtue of prudence, by the advice of competent people, and by the help of the Holy Spirit and his gifts.
2015 The way of perfection passes by way of the Cross. There is no holiness without renunciation and spiritual battle. Spiritual progress entails ascesis and mortification that gradually lead to living in the peace and joy of the Beatitudes:
'He who climbs never stops going from beginning to beginning, through beginnings that have no end. He never stops desiring what he already knows.' - St. Gregory of Nyssa"