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

Grace, lavished upon us by God and communicated through the Mystery of the Incarnate Word, is an absolutely free gift with which nature is healed, strengthened and assisted in pursuing the innate desire for happiness in the heart of every man and of every woman.

Preservation of the environment, promotion of sustainable development and particular attention to climate change are matters of grave concern for the entire human family. No nation or business sector can ignore the ethical implications present in all economic and social development. With increasing clarity scientific research demonstrates that the impact of human actions in any one place or region can have worldwide effects.

No law made by man can overturn that of the Creator without dramatically affecting society in its very foundation.

Purity of heart is what enables us to see.

The main task for us all is that of a new evangelization aimed at helping younger generations to rediscover the true face of God, who is Love. To you young people, who are in search of a firm hope, I address the very words that Saint Paul wrote to the persecuted Christians in Rome at that time: "May the God of hope fill you with all joy and peace in believing, so that you may abound in hope by the power of the Holy Spirit" (Rom 15:13).

Enough with the slaughters. Enough with the violence. Enough with the hatred in Iraq!