When a house is being built which is to be made as strong as possible, the building takes place in fine weather and in calm, so that nothing may hinder the structure from acquiring the needed solidity.

Then, in the next place, we must know that every being which is endowed with reason, and transgresses its statutes and limitations, is undoubtedly involved in sin by swerving from rectitude and justice.

Having refuted, then, as well as we could, every notion which might suggest that we were to think of God as in any degree corporeal, we go on to say that, according to strict truth, God is incomprehensible, and incapable of being measured.

For if the mystery concealed of old is made manifest to the Apostles through the prophetic writings, and if the prophets, being wise men, understood what proceeded from their own mouths, then the prophets knew what was made manifest to the Apostles.

Humans have changed ecosystems more rapidly and extensively than in any comparable period of time in human history, largely to meet rapidly growing demands for food, fresh water, timber, fiber and fuel. This has resulted in a substantial and largely irreversible loss in the diversity of life on Earth.

To argue about justice is unavoidably to argue about virtues, about substantive moral and even spiritual questions.

Most Muslims do not 'choose' Islam in the way that they choose to become doctors or lawyers, nor even in the way that they choose to become fans of Coldplay or Radiohead. Most Muslims, like people of any faith, are born into their religion.

Twenty-first century war adds new risks: more and more often there are no front lines, no central command, no rules of engagement - only a chaotic collision of politics, power, faith and bloodlust. Victims are as likely to be civilians as soldiers.