Christianity asserts that every individual human being is going to live for ever, and this must be either true or false. Now there are a good many things which would not be worth bothering about if I were going to live only seventy years, but which I had better bother about very seriously if I am going to live for ever.
The origins of the modern West are often seen in the Enlightenment of the seventeenth and eighteenth century, but the roots of the Enlightenment can be found in habits of mind cultivated in Athens, Rome, and Jerusalem, and the institutions that grew from them.