Richard Dawkins's The Selfish Gene is a classic example of science fiction.

Being missionaries means loving God with all one's heart, even to the point, if necessary, of dying for him... Being missionaries means stooping down to the needs of all, like the Good Samaritan, especially those of the poorest and most destitute people.

Each generation, as it seeks to advance the common good, must ask anew: 'What are the requirements that governments may reasonably impose upon citizens, and how far do they extend? By appeal to what authority can moral dilemmas be resolved?'

A Christian knows when it is time to speak of God and when it is better to say nothing and to let love alone speak. He knows that God is love and that God's presence is felt at the very time when the only thing we do is to love.

Knowing is not simply a material act, since the object that is known always conceals something beyond the empirical datum. All our knowledge, even the most simple, is always a minor miracle, since it can never be fully explained by the material instruments that we apply to it. In every truth there is something more than we would have expected, in the love that we receive there is always an element that surprises us.

Only from God does true revolution come... the definitive way to change the world.

The life of the community, both domestically and internationally, clearly demonstrates that respect for rights, and the guarantees that follow from them, are measures of the common good that serve to evaluate the relationship between justice and injustice, development and poverty, security and conflict.