To be sure, the response of faith to revelation, which God grants to the creature he chooses and moves with his love, occurs in such a way that it is truly the creature that provides the response, with its own nature and its natural powers of love.

God defines himself as "I am who I am", which also means: My being is such that I shall always be present in every moment of becoming.

A truth that is merely handed on, without being thought anew from its very foundations, has lost its vital power.

Christian obedience, by its very nature, has a heroic character.

We are not only interested in those aspects of the mystery of the Roman Catholic Church which set her apart from the other Christian communities, but also to show how often they are central beliefs by describing what is specifically Catholic in such a way that the partner in dialogue can see, even from his own standpoint, the inner consistency.

If God wishes to reveal the love that he harbors for the world, this love has to be something that the world can recognize, in spite of, or in fact in, its being wholly other.

The inner reality of love can be recognized only by love.