The worship most acceptable to God
105. Similarly, the best way to discern if our prayer is authentic is to judge to what extent our life is being transformed in the light of mercy. For “mercy is not only an action of the Father; it becomes a criterion for ascertaining who his true children are”.Mercy “is the very foundation of the Church’s life”. In this regard, I would like to reiterate that mercy does not exclude justice and truth; indeed, “we have to say that mercy is the fullness of justice and the most radiant manifestation of God’s truth”. It is “the key to heaven”.